1 //===---- CGBuiltin.cpp - Emit LLVM Code for builtins ---------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This contains code to emit Builtin calls as LLVM code. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "CodeGenFunction.h" 15 #include "CGCXXABI.h" 16 #include "CGObjCRuntime.h" 17 #include "CodeGenModule.h" 18 #include "TargetInfo.h" 19 #include "clang/AST/ASTContext.h" 20 #include "clang/AST/Decl.h" 21 #include "clang/Basic/TargetBuiltins.h" 22 #include "clang/Basic/TargetInfo.h" 23 #include "clang/CodeGen/CGFunctionInfo.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/IR/CallSite.h" 26 #include "llvm/IR/DataLayout.h" 27 #include "llvm/IR/InlineAsm.h" 28 #include "llvm/IR/Intrinsics.h" 29 #include <sstream> 30 31 using namespace clang; 32 using namespace CodeGen; 33 using namespace llvm; 34 35 /// getBuiltinLibFunction - Given a builtin id for a function like 36 /// "__builtin_fabsf", return a Function* for "fabsf". 37 llvm::Value *CodeGenModule::getBuiltinLibFunction(const FunctionDecl *FD, 38 unsigned BuiltinID) { 39 assert(Context.BuiltinInfo.isLibFunction(BuiltinID)); 40 41 // Get the name, skip over the __builtin_ prefix (if necessary). 42 StringRef Name; 43 GlobalDecl D(FD); 44 45 // If the builtin has been declared explicitly with an assembler label, 46 // use the mangled name. This differs from the plain label on platforms 47 // that prefix labels. 48 if (FD->hasAttr<AsmLabelAttr>()) 49 Name = getMangledName(D); 50 else 51 Name = Context.BuiltinInfo.GetName(BuiltinID) + 10; 52 53 llvm::FunctionType *Ty = 54 cast<llvm::FunctionType>(getTypes().ConvertType(FD->getType())); 55 56 return GetOrCreateLLVMFunction(Name, Ty, D, /*ForVTable=*/false); 57 } 58 59 /// Emit the conversions required to turn the given value into an 60 /// integer of the given size. 61 static Value *EmitToInt(CodeGenFunction &CGF, llvm::Value *V, 62 QualType T, llvm::IntegerType *IntType) { 63 V = CGF.EmitToMemory(V, T); 64 65 if (V->getType()->isPointerTy()) 66 return CGF.Builder.CreatePtrToInt(V, IntType); 67 68 assert(V->getType() == IntType); 69 return V; 70 } 71 72 static Value *EmitFromInt(CodeGenFunction &CGF, llvm::Value *V, 73 QualType T, llvm::Type *ResultType) { 74 V = CGF.EmitFromMemory(V, T); 75 76 if (ResultType->isPointerTy()) 77 return CGF.Builder.CreateIntToPtr(V, ResultType); 78 79 assert(V->getType() == ResultType); 80 return V; 81 } 82 83 /// Utility to insert an atomic instruction based on Instrinsic::ID 84 /// and the expression node. 85 static Value *MakeBinaryAtomicValue(CodeGenFunction &CGF, 86 llvm::AtomicRMWInst::BinOp Kind, 87 const CallExpr *E) { 88 QualType T = E->getType(); 89 assert(E->getArg(0)->getType()->isPointerType()); 90 assert(CGF.getContext().hasSameUnqualifiedType(T, 91 E->getArg(0)->getType()->getPointeeType())); 92 assert(CGF.getContext().hasSameUnqualifiedType(T, E->getArg(1)->getType())); 93 94 llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0)); 95 unsigned AddrSpace = DestPtr->getType()->getPointerAddressSpace(); 96 97 llvm::IntegerType *IntType = 98 llvm::IntegerType::get(CGF.getLLVMContext(), 99 CGF.getContext().getTypeSize(T)); 100 llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace); 101 102 llvm::Value *Args[2]; 103 Args[0] = CGF.Builder.CreateBitCast(DestPtr, IntPtrType); 104 Args[1] = CGF.EmitScalarExpr(E->getArg(1)); 105 llvm::Type *ValueType = Args[1]->getType(); 106 Args[1] = EmitToInt(CGF, Args[1], T, IntType); 107 108 llvm::Value *Result = 109 CGF.Builder.CreateAtomicRMW(Kind, Args[0], Args[1], 110 llvm::SequentiallyConsistent); 111 return EmitFromInt(CGF, Result, T, ValueType); 112 } 113 114 static RValue EmitBinaryAtomic(CodeGenFunction &CGF, 115 llvm::AtomicRMWInst::BinOp Kind, 116 const CallExpr *E) { 117 return RValue::get(MakeBinaryAtomicValue(CGF, Kind, E)); 118 } 119 120 /// Utility to insert an atomic instruction based Instrinsic::ID and 121 /// the expression node, where the return value is the result of the 122 /// operation. 123 static RValue EmitBinaryAtomicPost(CodeGenFunction &CGF, 124 llvm::AtomicRMWInst::BinOp Kind, 125 const CallExpr *E, 126 Instruction::BinaryOps Op, 127 bool Invert = false) { 128 QualType T = E->getType(); 129 assert(E->getArg(0)->getType()->isPointerType()); 130 assert(CGF.getContext().hasSameUnqualifiedType(T, 131 E->getArg(0)->getType()->getPointeeType())); 132 assert(CGF.getContext().hasSameUnqualifiedType(T, E->getArg(1)->getType())); 133 134 llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0)); 135 unsigned AddrSpace = DestPtr->getType()->getPointerAddressSpace(); 136 137 llvm::IntegerType *IntType = 138 llvm::IntegerType::get(CGF.getLLVMContext(), 139 CGF.getContext().getTypeSize(T)); 140 llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace); 141 142 llvm::Value *Args[2]; 143 Args[1] = CGF.EmitScalarExpr(E->getArg(1)); 144 llvm::Type *ValueType = Args[1]->getType(); 145 Args[1] = EmitToInt(CGF, Args[1], T, IntType); 146 Args[0] = CGF.Builder.CreateBitCast(DestPtr, IntPtrType); 147 148 llvm::Value *Result = 149 CGF.Builder.CreateAtomicRMW(Kind, Args[0], Args[1], 150 llvm::SequentiallyConsistent); 151 Result = CGF.Builder.CreateBinOp(Op, Result, Args[1]); 152 if (Invert) 153 Result = CGF.Builder.CreateBinOp(llvm::Instruction::Xor, Result, 154 llvm::ConstantInt::get(IntType, -1)); 155 Result = EmitFromInt(CGF, Result, T, ValueType); 156 return RValue::get(Result); 157 } 158 159 /// @brief Utility to insert an atomic cmpxchg instruction. 160 /// 161 /// @param CGF The current codegen function. 162 /// @param E Builtin call expression to convert to cmpxchg. 163 /// arg0 - address to operate on 164 /// arg1 - value to compare with 165 /// arg2 - new value 166 /// @param ReturnBool Specifies whether to return success flag of 167 /// cmpxchg result or the old value. 168 /// 169 /// @returns result of cmpxchg, according to ReturnBool 170 static Value *MakeAtomicCmpXchgValue(CodeGenFunction &CGF, const CallExpr *E, 171 bool ReturnBool) { 172 QualType T = ReturnBool ? E->getArg(1)->getType() : E->getType(); 173 llvm::Value *DestPtr = CGF.EmitScalarExpr(E->getArg(0)); 174 unsigned AddrSpace = DestPtr->getType()->getPointerAddressSpace(); 175 176 llvm::IntegerType *IntType = llvm::IntegerType::get( 177 CGF.getLLVMContext(), CGF.getContext().getTypeSize(T)); 178 llvm::Type *IntPtrType = IntType->getPointerTo(AddrSpace); 179 180 Value *Args[3]; 181 Args[0] = CGF.Builder.CreateBitCast(DestPtr, IntPtrType); 182 Args[1] = CGF.EmitScalarExpr(E->getArg(1)); 183 llvm::Type *ValueType = Args[1]->getType(); 184 Args[1] = EmitToInt(CGF, Args[1], T, IntType); 185 Args[2] = EmitToInt(CGF, CGF.EmitScalarExpr(E->getArg(2)), T, IntType); 186 187 Value *Pair = CGF.Builder.CreateAtomicCmpXchg(Args[0], Args[1], Args[2], 188 llvm::SequentiallyConsistent, 189 llvm::SequentiallyConsistent); 190 if (ReturnBool) 191 // Extract boolean success flag and zext it to int. 192 return CGF.Builder.CreateZExt(CGF.Builder.CreateExtractValue(Pair, 1), 193 CGF.ConvertType(E->getType())); 194 else 195 // Extract old value and emit it using the same type as compare value. 196 return EmitFromInt(CGF, CGF.Builder.CreateExtractValue(Pair, 0), T, 197 ValueType); 198 } 199 200 /// EmitFAbs - Emit a call to @llvm.fabs(). 201 static Value *EmitFAbs(CodeGenFunction &CGF, Value *V) { 202 Value *F = CGF.CGM.getIntrinsic(Intrinsic::fabs, V->getType()); 203 llvm::CallInst *Call = CGF.Builder.CreateCall(F, V); 204 Call->setDoesNotAccessMemory(); 205 return Call; 206 } 207 208 /// Emit the computation of the sign bit for a floating point value. Returns 209 /// the i1 sign bit value. 210 static Value *EmitSignBit(CodeGenFunction &CGF, Value *V) { 211 LLVMContext &C = CGF.CGM.getLLVMContext(); 212 213 llvm::Type *Ty = V->getType(); 214 int Width = Ty->getPrimitiveSizeInBits(); 215 llvm::Type *IntTy = llvm::IntegerType::get(C, Width); 216 V = CGF.Builder.CreateBitCast(V, IntTy); 217 if (Ty->isPPC_FP128Ty()) { 218 // The higher-order double comes first, and so we need to truncate the 219 // pair to extract the overall sign. The order of the pair is the same 220 // in both little- and big-Endian modes. 221 Width >>= 1; 222 IntTy = llvm::IntegerType::get(C, Width); 223 V = CGF.Builder.CreateTrunc(V, IntTy); 224 } 225 Value *Zero = llvm::Constant::getNullValue(IntTy); 226 return CGF.Builder.CreateICmpSLT(V, Zero); 227 } 228 229 static RValue emitLibraryCall(CodeGenFunction &CGF, const FunctionDecl *Fn, 230 const CallExpr *E, llvm::Value *calleeValue) { 231 return CGF.EmitCall(E->getCallee()->getType(), calleeValue, E, 232 ReturnValueSlot(), Fn); 233 } 234 235 /// \brief Emit a call to llvm.{sadd,uadd,ssub,usub,smul,umul}.with.overflow.* 236 /// depending on IntrinsicID. 237 /// 238 /// \arg CGF The current codegen function. 239 /// \arg IntrinsicID The ID for the Intrinsic we wish to generate. 240 /// \arg X The first argument to the llvm.*.with.overflow.*. 241 /// \arg Y The second argument to the llvm.*.with.overflow.*. 242 /// \arg Carry The carry returned by the llvm.*.with.overflow.*. 243 /// \returns The result (i.e. sum/product) returned by the intrinsic. 244 static llvm::Value *EmitOverflowIntrinsic(CodeGenFunction &CGF, 245 const llvm::Intrinsic::ID IntrinsicID, 246 llvm::Value *X, llvm::Value *Y, 247 llvm::Value *&Carry) { 248 // Make sure we have integers of the same width. 249 assert(X->getType() == Y->getType() && 250 "Arguments must be the same type. (Did you forget to make sure both " 251 "arguments have the same integer width?)"); 252 253 llvm::Value *Callee = CGF.CGM.getIntrinsic(IntrinsicID, X->getType()); 254 llvm::Value *Tmp = CGF.Builder.CreateCall(Callee, {X, Y}); 255 Carry = CGF.Builder.CreateExtractValue(Tmp, 1); 256 return CGF.Builder.CreateExtractValue(Tmp, 0); 257 } 258 259 RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, 260 unsigned BuiltinID, const CallExpr *E, 261 ReturnValueSlot ReturnValue) { 262 // See if we can constant fold this builtin. If so, don't emit it at all. 263 Expr::EvalResult Result; 264 if (E->EvaluateAsRValue(Result, CGM.getContext()) && 265 !Result.hasSideEffects()) { 266 if (Result.Val.isInt()) 267 return RValue::get(llvm::ConstantInt::get(getLLVMContext(), 268 Result.Val.getInt())); 269 if (Result.Val.isFloat()) 270 return RValue::get(llvm::ConstantFP::get(getLLVMContext(), 271 Result.Val.getFloat())); 272 } 273 274 switch (BuiltinID) { 275 default: break; // Handle intrinsics and libm functions below. 276 case Builtin::BI__builtin___CFStringMakeConstantString: 277 case Builtin::BI__builtin___NSStringMakeConstantString: 278 return RValue::get(CGM.EmitConstantExpr(E, E->getType(), nullptr)); 279 case Builtin::BI__builtin_stdarg_start: 280 case Builtin::BI__builtin_va_start: 281 case Builtin::BI__va_start: 282 case Builtin::BI__builtin_va_end: { 283 Value *ArgValue = (BuiltinID == Builtin::BI__va_start) 284 ? EmitScalarExpr(E->getArg(0)) 285 : EmitVAListRef(E->getArg(0)); 286 llvm::Type *DestType = Int8PtrTy; 287 if (ArgValue->getType() != DestType) 288 ArgValue = Builder.CreateBitCast(ArgValue, DestType, 289 ArgValue->getName().data()); 290 291 Intrinsic::ID inst = (BuiltinID == Builtin::BI__builtin_va_end) ? 292 Intrinsic::vaend : Intrinsic::vastart; 293 return RValue::get(Builder.CreateCall(CGM.getIntrinsic(inst), ArgValue)); 294 } 295 case Builtin::BI__builtin_va_copy: { 296 Value *DstPtr = EmitVAListRef(E->getArg(0)); 297 Value *SrcPtr = EmitVAListRef(E->getArg(1)); 298 299 llvm::Type *Type = Int8PtrTy; 300 301 DstPtr = Builder.CreateBitCast(DstPtr, Type); 302 SrcPtr = Builder.CreateBitCast(SrcPtr, Type); 303 return RValue::get(Builder.CreateCall(CGM.getIntrinsic(Intrinsic::vacopy), 304 {DstPtr, SrcPtr})); 305 } 306 case Builtin::BI__builtin_abs: 307 case Builtin::BI__builtin_labs: 308 case Builtin::BI__builtin_llabs: { 309 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 310 311 Value *NegOp = Builder.CreateNeg(ArgValue, "neg"); 312 Value *CmpResult = 313 Builder.CreateICmpSGE(ArgValue, 314 llvm::Constant::getNullValue(ArgValue->getType()), 315 "abscond"); 316 Value *Result = 317 Builder.CreateSelect(CmpResult, ArgValue, NegOp, "abs"); 318 319 return RValue::get(Result); 320 } 321 case Builtin::BI__builtin_fabs: 322 case Builtin::BI__builtin_fabsf: 323 case Builtin::BI__builtin_fabsl: { 324 Value *Arg1 = EmitScalarExpr(E->getArg(0)); 325 Value *Result = EmitFAbs(*this, Arg1); 326 return RValue::get(Result); 327 } 328 case Builtin::BI__builtin_fmod: 329 case Builtin::BI__builtin_fmodf: 330 case Builtin::BI__builtin_fmodl: { 331 Value *Arg1 = EmitScalarExpr(E->getArg(0)); 332 Value *Arg2 = EmitScalarExpr(E->getArg(1)); 333 Value *Result = Builder.CreateFRem(Arg1, Arg2, "fmod"); 334 return RValue::get(Result); 335 } 336 337 case Builtin::BI__builtin_conj: 338 case Builtin::BI__builtin_conjf: 339 case Builtin::BI__builtin_conjl: { 340 ComplexPairTy ComplexVal = EmitComplexExpr(E->getArg(0)); 341 Value *Real = ComplexVal.first; 342 Value *Imag = ComplexVal.second; 343 Value *Zero = 344 Imag->getType()->isFPOrFPVectorTy() 345 ? llvm::ConstantFP::getZeroValueForNegation(Imag->getType()) 346 : llvm::Constant::getNullValue(Imag->getType()); 347 348 Imag = Builder.CreateFSub(Zero, Imag, "sub"); 349 return RValue::getComplex(std::make_pair(Real, Imag)); 350 } 351 case Builtin::BI__builtin_creal: 352 case Builtin::BI__builtin_crealf: 353 case Builtin::BI__builtin_creall: 354 case Builtin::BIcreal: 355 case Builtin::BIcrealf: 356 case Builtin::BIcreall: { 357 ComplexPairTy ComplexVal = EmitComplexExpr(E->getArg(0)); 358 return RValue::get(ComplexVal.first); 359 } 360 361 case Builtin::BI__builtin_cimag: 362 case Builtin::BI__builtin_cimagf: 363 case Builtin::BI__builtin_cimagl: 364 case Builtin::BIcimag: 365 case Builtin::BIcimagf: 366 case Builtin::BIcimagl: { 367 ComplexPairTy ComplexVal = EmitComplexExpr(E->getArg(0)); 368 return RValue::get(ComplexVal.second); 369 } 370 371 case Builtin::BI__builtin_ctzs: 372 case Builtin::BI__builtin_ctz: 373 case Builtin::BI__builtin_ctzl: 374 case Builtin::BI__builtin_ctzll: { 375 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 376 377 llvm::Type *ArgType = ArgValue->getType(); 378 Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType); 379 380 llvm::Type *ResultType = ConvertType(E->getType()); 381 Value *ZeroUndef = Builder.getInt1(getTarget().isCLZForZeroUndef()); 382 Value *Result = Builder.CreateCall(F, {ArgValue, ZeroUndef}); 383 if (Result->getType() != ResultType) 384 Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, 385 "cast"); 386 return RValue::get(Result); 387 } 388 case Builtin::BI__builtin_clzs: 389 case Builtin::BI__builtin_clz: 390 case Builtin::BI__builtin_clzl: 391 case Builtin::BI__builtin_clzll: { 392 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 393 394 llvm::Type *ArgType = ArgValue->getType(); 395 Value *F = CGM.getIntrinsic(Intrinsic::ctlz, ArgType); 396 397 llvm::Type *ResultType = ConvertType(E->getType()); 398 Value *ZeroUndef = Builder.getInt1(getTarget().isCLZForZeroUndef()); 399 Value *Result = Builder.CreateCall(F, {ArgValue, ZeroUndef}); 400 if (Result->getType() != ResultType) 401 Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, 402 "cast"); 403 return RValue::get(Result); 404 } 405 case Builtin::BI__builtin_ffs: 406 case Builtin::BI__builtin_ffsl: 407 case Builtin::BI__builtin_ffsll: { 408 // ffs(x) -> x ? cttz(x) + 1 : 0 409 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 410 411 llvm::Type *ArgType = ArgValue->getType(); 412 Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType); 413 414 llvm::Type *ResultType = ConvertType(E->getType()); 415 Value *Tmp = 416 Builder.CreateAdd(Builder.CreateCall(F, {ArgValue, Builder.getTrue()}), 417 llvm::ConstantInt::get(ArgType, 1)); 418 Value *Zero = llvm::Constant::getNullValue(ArgType); 419 Value *IsZero = Builder.CreateICmpEQ(ArgValue, Zero, "iszero"); 420 Value *Result = Builder.CreateSelect(IsZero, Zero, Tmp, "ffs"); 421 if (Result->getType() != ResultType) 422 Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, 423 "cast"); 424 return RValue::get(Result); 425 } 426 case Builtin::BI__builtin_parity: 427 case Builtin::BI__builtin_parityl: 428 case Builtin::BI__builtin_parityll: { 429 // parity(x) -> ctpop(x) & 1 430 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 431 432 llvm::Type *ArgType = ArgValue->getType(); 433 Value *F = CGM.getIntrinsic(Intrinsic::ctpop, ArgType); 434 435 llvm::Type *ResultType = ConvertType(E->getType()); 436 Value *Tmp = Builder.CreateCall(F, ArgValue); 437 Value *Result = Builder.CreateAnd(Tmp, llvm::ConstantInt::get(ArgType, 1)); 438 if (Result->getType() != ResultType) 439 Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, 440 "cast"); 441 return RValue::get(Result); 442 } 443 case Builtin::BI__builtin_popcount: 444 case Builtin::BI__builtin_popcountl: 445 case Builtin::BI__builtin_popcountll: { 446 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 447 448 llvm::Type *ArgType = ArgValue->getType(); 449 Value *F = CGM.getIntrinsic(Intrinsic::ctpop, ArgType); 450 451 llvm::Type *ResultType = ConvertType(E->getType()); 452 Value *Result = Builder.CreateCall(F, ArgValue); 453 if (Result->getType() != ResultType) 454 Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, 455 "cast"); 456 return RValue::get(Result); 457 } 458 case Builtin::BI__builtin_expect: { 459 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 460 llvm::Type *ArgType = ArgValue->getType(); 461 462 Value *ExpectedValue = EmitScalarExpr(E->getArg(1)); 463 // Don't generate llvm.expect on -O0 as the backend won't use it for 464 // anything. 465 // Note, we still IRGen ExpectedValue because it could have side-effects. 466 if (CGM.getCodeGenOpts().OptimizationLevel == 0) 467 return RValue::get(ArgValue); 468 469 Value *FnExpect = CGM.getIntrinsic(Intrinsic::expect, ArgType); 470 Value *Result = 471 Builder.CreateCall(FnExpect, {ArgValue, ExpectedValue}, "expval"); 472 return RValue::get(Result); 473 } 474 case Builtin::BI__builtin_assume_aligned: { 475 Value *PtrValue = EmitScalarExpr(E->getArg(0)); 476 Value *OffsetValue = 477 (E->getNumArgs() > 2) ? EmitScalarExpr(E->getArg(2)) : nullptr; 478 479 Value *AlignmentValue = EmitScalarExpr(E->getArg(1)); 480 ConstantInt *AlignmentCI = cast<ConstantInt>(AlignmentValue); 481 unsigned Alignment = (unsigned) AlignmentCI->getZExtValue(); 482 483 EmitAlignmentAssumption(PtrValue, Alignment, OffsetValue); 484 return RValue::get(PtrValue); 485 } 486 case Builtin::BI__assume: 487 case Builtin::BI__builtin_assume: { 488 if (E->getArg(0)->HasSideEffects(getContext())) 489 return RValue::get(nullptr); 490 491 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 492 Value *FnAssume = CGM.getIntrinsic(Intrinsic::assume); 493 return RValue::get(Builder.CreateCall(FnAssume, ArgValue)); 494 } 495 case Builtin::BI__builtin_bswap16: 496 case Builtin::BI__builtin_bswap32: 497 case Builtin::BI__builtin_bswap64: { 498 Value *ArgValue = EmitScalarExpr(E->getArg(0)); 499 llvm::Type *ArgType = ArgValue->getType(); 500 Value *F = CGM.getIntrinsic(Intrinsic::bswap, ArgType); 501 return RValue::get(Builder.CreateCall(F, ArgValue)); 502 } 503 case Builtin::BI__builtin_object_size: { 504 // We rely on constant folding to deal with expressions with side effects. 505 assert(!E->getArg(0)->HasSideEffects(getContext()) && 506 "should have been constant folded"); 507 508 // We pass this builtin onto the optimizer so that it can 509 // figure out the object size in more complex cases. 510 llvm::Type *ResType = ConvertType(E->getType()); 511 512 // LLVM only supports 0 and 2, make sure that we pass along that 513 // as a boolean. 514 Value *Ty = EmitScalarExpr(E->getArg(1)); 515 ConstantInt *CI = dyn_cast<ConstantInt>(Ty); 516 assert(CI); 517 uint64_t val = CI->getZExtValue(); 518 CI = ConstantInt::get(Builder.getInt1Ty(), (val & 0x2) >> 1); 519 // FIXME: Get right address space. 520 llvm::Type *Tys[] = { ResType, Builder.getInt8PtrTy(0) }; 521 Value *F = CGM.getIntrinsic(Intrinsic::objectsize, Tys); 522 return RValue::get( 523 Builder.CreateCall(F, {EmitScalarExpr(E->getArg(0)), CI})); 524 } 525 case Builtin::BI__builtin_prefetch: { 526 Value *Locality, *RW, *Address = EmitScalarExpr(E->getArg(0)); 527 // FIXME: Technically these constants should of type 'int', yes? 528 RW = (E->getNumArgs() > 1) ? EmitScalarExpr(E->getArg(1)) : 529 llvm::ConstantInt::get(Int32Ty, 0); 530 Locality = (E->getNumArgs() > 2) ? EmitScalarExpr(E->getArg(2)) : 531 llvm::ConstantInt::get(Int32Ty, 3); 532 Value *Data = llvm::ConstantInt::get(Int32Ty, 1); 533 Value *F = CGM.getIntrinsic(Intrinsic::prefetch); 534 return RValue::get(Builder.CreateCall(F, {Address, RW, Locality, Data})); 535 } 536 case Builtin::BI__builtin_readcyclecounter: { 537 Value *F = CGM.getIntrinsic(Intrinsic::readcyclecounter); 538 return RValue::get(Builder.CreateCall(F)); 539 } 540 case Builtin::BI__builtin___clear_cache: { 541 Value *Begin = EmitScalarExpr(E->getArg(0)); 542 Value *End = EmitScalarExpr(E->getArg(1)); 543 Value *F = CGM.getIntrinsic(Intrinsic::clear_cache); 544 return RValue::get(Builder.CreateCall(F, {Begin, End})); 545 } 546 case Builtin::BI__builtin_trap: 547 return RValue::get(EmitTrapCall(Intrinsic::trap)); 548 case Builtin::BI__debugbreak: 549 return RValue::get(EmitTrapCall(Intrinsic::debugtrap)); 550 case Builtin::BI__builtin_unreachable: { 551 if (SanOpts.has(SanitizerKind::Unreachable)) { 552 SanitizerScope SanScope(this); 553 EmitCheck(std::make_pair(static_cast<llvm::Value *>(Builder.getFalse()), 554 SanitizerKind::Unreachable), 555 "builtin_unreachable", EmitCheckSourceLocation(E->getExprLoc()), 556 None); 557 } else 558 Builder.CreateUnreachable(); 559 560 // We do need to preserve an insertion point. 561 EmitBlock(createBasicBlock("unreachable.cont")); 562 563 return RValue::get(nullptr); 564 } 565 566 case Builtin::BI__builtin_powi: 567 case Builtin::BI__builtin_powif: 568 case Builtin::BI__builtin_powil: { 569 Value *Base = EmitScalarExpr(E->getArg(0)); 570 Value *Exponent = EmitScalarExpr(E->getArg(1)); 571 llvm::Type *ArgType = Base->getType(); 572 Value *F = CGM.getIntrinsic(Intrinsic::powi, ArgType); 573 return RValue::get(Builder.CreateCall(F, {Base, Exponent})); 574 } 575 576 case Builtin::BI__builtin_isgreater: 577 case Builtin::BI__builtin_isgreaterequal: 578 case Builtin::BI__builtin_isless: 579 case Builtin::BI__builtin_islessequal: 580 case Builtin::BI__builtin_islessgreater: 581 case Builtin::BI__builtin_isunordered: { 582 // Ordered comparisons: we know the arguments to these are matching scalar 583 // floating point values. 584 Value *LHS = EmitScalarExpr(E->getArg(0)); 585 Value *RHS = EmitScalarExpr(E->getArg(1)); 586 587 switch (BuiltinID) { 588 default: llvm_unreachable("Unknown ordered comparison"); 589 case Builtin::BI__builtin_isgreater: 590 LHS = Builder.CreateFCmpOGT(LHS, RHS, "cmp"); 591 break; 592 case Builtin::BI__builtin_isgreaterequal: 593 LHS = Builder.CreateFCmpOGE(LHS, RHS, "cmp"); 594 break; 595 case Builtin::BI__builtin_isless: 596 LHS = Builder.CreateFCmpOLT(LHS, RHS, "cmp"); 597 break; 598 case Builtin::BI__builtin_islessequal: 599 LHS = Builder.CreateFCmpOLE(LHS, RHS, "cmp"); 600 break; 601 case Builtin::BI__builtin_islessgreater: 602 LHS = Builder.CreateFCmpONE(LHS, RHS, "cmp"); 603 break; 604 case Builtin::BI__builtin_isunordered: 605 LHS = Builder.CreateFCmpUNO(LHS, RHS, "cmp"); 606 break; 607 } 608 // ZExt bool to int type. 609 return RValue::get(Builder.CreateZExt(LHS, ConvertType(E->getType()))); 610 } 611 case Builtin::BI__builtin_isnan: { 612 Value *V = EmitScalarExpr(E->getArg(0)); 613 V = Builder.CreateFCmpUNO(V, V, "cmp"); 614 return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType()))); 615 } 616 617 case Builtin::BI__builtin_isinf: { 618 // isinf(x) --> fabs(x) == infinity 619 Value *V = EmitScalarExpr(E->getArg(0)); 620 V = EmitFAbs(*this, V); 621 622 V = Builder.CreateFCmpOEQ(V, ConstantFP::getInfinity(V->getType()),"isinf"); 623 return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType()))); 624 } 625 626 case Builtin::BI__builtin_isinf_sign: { 627 // isinf_sign(x) -> fabs(x) == infinity ? (signbit(x) ? -1 : 1) : 0 628 Value *Arg = EmitScalarExpr(E->getArg(0)); 629 Value *AbsArg = EmitFAbs(*this, Arg); 630 Value *IsInf = Builder.CreateFCmpOEQ( 631 AbsArg, ConstantFP::getInfinity(Arg->getType()), "isinf"); 632 Value *IsNeg = EmitSignBit(*this, Arg); 633 634 llvm::Type *IntTy = ConvertType(E->getType()); 635 Value *Zero = Constant::getNullValue(IntTy); 636 Value *One = ConstantInt::get(IntTy, 1); 637 Value *NegativeOne = ConstantInt::get(IntTy, -1); 638 Value *SignResult = Builder.CreateSelect(IsNeg, NegativeOne, One); 639 Value *Result = Builder.CreateSelect(IsInf, SignResult, Zero); 640 return RValue::get(Result); 641 } 642 643 case Builtin::BI__builtin_isnormal: { 644 // isnormal(x) --> x == x && fabsf(x) < infinity && fabsf(x) >= float_min 645 Value *V = EmitScalarExpr(E->getArg(0)); 646 Value *Eq = Builder.CreateFCmpOEQ(V, V, "iseq"); 647 648 Value *Abs = EmitFAbs(*this, V); 649 Value *IsLessThanInf = 650 Builder.CreateFCmpULT(Abs, ConstantFP::getInfinity(V->getType()),"isinf"); 651 APFloat Smallest = APFloat::getSmallestNormalized( 652 getContext().getFloatTypeSemantics(E->getArg(0)->getType())); 653 Value *IsNormal = 654 Builder.CreateFCmpUGE(Abs, ConstantFP::get(V->getContext(), Smallest), 655 "isnormal"); 656 V = Builder.CreateAnd(Eq, IsLessThanInf, "and"); 657 V = Builder.CreateAnd(V, IsNormal, "and"); 658 return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType()))); 659 } 660 661 case Builtin::BI__builtin_isfinite: { 662 // isfinite(x) --> x == x && fabs(x) != infinity; 663 Value *V = EmitScalarExpr(E->getArg(0)); 664 Value *Eq = Builder.CreateFCmpOEQ(V, V, "iseq"); 665 666 Value *Abs = EmitFAbs(*this, V); 667 Value *IsNotInf = 668 Builder.CreateFCmpUNE(Abs, ConstantFP::getInfinity(V->getType()),"isinf"); 669 670 V = Builder.CreateAnd(Eq, IsNotInf, "and"); 671 return RValue::get(Builder.CreateZExt(V, ConvertType(E->getType()))); 672 } 673 674 case Builtin::BI__builtin_fpclassify: { 675 Value *V = EmitScalarExpr(E->getArg(5)); 676 llvm::Type *Ty = ConvertType(E->getArg(5)->getType()); 677 678 // Create Result 679 BasicBlock *Begin = Builder.GetInsertBlock(); 680 BasicBlock *End = createBasicBlock("fpclassify_end", this->CurFn); 681 Builder.SetInsertPoint(End); 682 PHINode *Result = 683 Builder.CreatePHI(ConvertType(E->getArg(0)->getType()), 4, 684 "fpclassify_result"); 685 686 // if (V==0) return FP_ZERO 687 Builder.SetInsertPoint(Begin); 688 Value *IsZero = Builder.CreateFCmpOEQ(V, Constant::getNullValue(Ty), 689 "iszero"); 690 Value *ZeroLiteral = EmitScalarExpr(E->getArg(4)); 691 BasicBlock *NotZero = createBasicBlock("fpclassify_not_zero", this->CurFn); 692 Builder.CreateCondBr(IsZero, End, NotZero); 693 Result->addIncoming(ZeroLiteral, Begin); 694 695 // if (V != V) return FP_NAN 696 Builder.SetInsertPoint(NotZero); 697 Value *IsNan = Builder.CreateFCmpUNO(V, V, "cmp"); 698 Value *NanLiteral = EmitScalarExpr(E->getArg(0)); 699 BasicBlock *NotNan = createBasicBlock("fpclassify_not_nan", this->CurFn); 700 Builder.CreateCondBr(IsNan, End, NotNan); 701 Result->addIncoming(NanLiteral, NotZero); 702 703 // if (fabs(V) == infinity) return FP_INFINITY 704 Builder.SetInsertPoint(NotNan); 705 Value *VAbs = EmitFAbs(*this, V); 706 Value *IsInf = 707 Builder.CreateFCmpOEQ(VAbs, ConstantFP::getInfinity(V->getType()), 708 "isinf"); 709 Value *InfLiteral = EmitScalarExpr(E->getArg(1)); 710 BasicBlock *NotInf = createBasicBlock("fpclassify_not_inf", this->CurFn); 711 Builder.CreateCondBr(IsInf, End, NotInf); 712 Result->addIncoming(InfLiteral, NotNan); 713 714 // if (fabs(V) >= MIN_NORMAL) return FP_NORMAL else FP_SUBNORMAL 715 Builder.SetInsertPoint(NotInf); 716 APFloat Smallest = APFloat::getSmallestNormalized( 717 getContext().getFloatTypeSemantics(E->getArg(5)->getType())); 718 Value *IsNormal = 719 Builder.CreateFCmpUGE(VAbs, ConstantFP::get(V->getContext(), Smallest), 720 "isnormal"); 721 Value *NormalResult = 722 Builder.CreateSelect(IsNormal, EmitScalarExpr(E->getArg(2)), 723 EmitScalarExpr(E->getArg(3))); 724 Builder.CreateBr(End); 725 Result->addIncoming(NormalResult, NotInf); 726 727 // return Result 728 Builder.SetInsertPoint(End); 729 return RValue::get(Result); 730 } 731 732 case Builtin::BIalloca: 733 case Builtin::BI_alloca: 734 case Builtin::BI__builtin_alloca: { 735 Value *Size = EmitScalarExpr(E->getArg(0)); 736 return RValue::get(Builder.CreateAlloca(Builder.getInt8Ty(), Size)); 737 } 738 case Builtin::BIbzero: 739 case Builtin::BI__builtin_bzero: { 740 std::pair<llvm::Value*, unsigned> Dest = 741 EmitPointerWithAlignment(E->getArg(0)); 742 Value *SizeVal = EmitScalarExpr(E->getArg(1)); 743 EmitNonNullArgCheck(RValue::get(Dest.first), E->getArg(0)->getType(), 744 E->getArg(0)->getExprLoc(), FD, 0); 745 Builder.CreateMemSet(Dest.first, Builder.getInt8(0), SizeVal, 746 Dest.second, false); 747 return RValue::get(Dest.first); 748 } 749 case Builtin::BImemcpy: 750 case Builtin::BI__builtin_memcpy: { 751 std::pair<llvm::Value*, unsigned> Dest = 752 EmitPointerWithAlignment(E->getArg(0)); 753 std::pair<llvm::Value*, unsigned> Src = 754 EmitPointerWithAlignment(E->getArg(1)); 755 Value *SizeVal = EmitScalarExpr(E->getArg(2)); 756 unsigned Align = std::min(Dest.second, Src.second); 757 EmitNonNullArgCheck(RValue::get(Dest.first), E->getArg(0)->getType(), 758 E->getArg(0)->getExprLoc(), FD, 0); 759 EmitNonNullArgCheck(RValue::get(Src.first), E->getArg(1)->getType(), 760 E->getArg(1)->getExprLoc(), FD, 1); 761 Builder.CreateMemCpy(Dest.first, Src.first, SizeVal, Align, false); 762 return RValue::get(Dest.first); 763 } 764 765 case Builtin::BI__builtin___memcpy_chk: { 766 // fold __builtin_memcpy_chk(x, y, cst1, cst2) to memcpy iff cst1<=cst2. 767 llvm::APSInt Size, DstSize; 768 if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) || 769 !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext())) 770 break; 771 if (Size.ugt(DstSize)) 772 break; 773 std::pair<llvm::Value*, unsigned> Dest = 774 EmitPointerWithAlignment(E->getArg(0)); 775 std::pair<llvm::Value*, unsigned> Src = 776 EmitPointerWithAlignment(E->getArg(1)); 777 Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size); 778 unsigned Align = std::min(Dest.second, Src.second); 779 Builder.CreateMemCpy(Dest.first, Src.first, SizeVal, Align, false); 780 return RValue::get(Dest.first); 781 } 782 783 case Builtin::BI__builtin_objc_memmove_collectable: { 784 Value *Address = EmitScalarExpr(E->getArg(0)); 785 Value *SrcAddr = EmitScalarExpr(E->getArg(1)); 786 Value *SizeVal = EmitScalarExpr(E->getArg(2)); 787 CGM.getObjCRuntime().EmitGCMemmoveCollectable(*this, 788 Address, SrcAddr, SizeVal); 789 return RValue::get(Address); 790 } 791 792 case Builtin::BI__builtin___memmove_chk: { 793 // fold __builtin_memmove_chk(x, y, cst1, cst2) to memmove iff cst1<=cst2. 794 llvm::APSInt Size, DstSize; 795 if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) || 796 !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext())) 797 break; 798 if (Size.ugt(DstSize)) 799 break; 800 std::pair<llvm::Value*, unsigned> Dest = 801 EmitPointerWithAlignment(E->getArg(0)); 802 std::pair<llvm::Value*, unsigned> Src = 803 EmitPointerWithAlignment(E->getArg(1)); 804 Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size); 805 unsigned Align = std::min(Dest.second, Src.second); 806 Builder.CreateMemMove(Dest.first, Src.first, SizeVal, Align, false); 807 return RValue::get(Dest.first); 808 } 809 810 case Builtin::BImemmove: 811 case Builtin::BI__builtin_memmove: { 812 std::pair<llvm::Value*, unsigned> Dest = 813 EmitPointerWithAlignment(E->getArg(0)); 814 std::pair<llvm::Value*, unsigned> Src = 815 EmitPointerWithAlignment(E->getArg(1)); 816 Value *SizeVal = EmitScalarExpr(E->getArg(2)); 817 unsigned Align = std::min(Dest.second, Src.second); 818 EmitNonNullArgCheck(RValue::get(Dest.first), E->getArg(0)->getType(), 819 E->getArg(0)->getExprLoc(), FD, 0); 820 EmitNonNullArgCheck(RValue::get(Src.first), E->getArg(1)->getType(), 821 E->getArg(1)->getExprLoc(), FD, 1); 822 Builder.CreateMemMove(Dest.first, Src.first, SizeVal, Align, false); 823 return RValue::get(Dest.first); 824 } 825 case Builtin::BImemset: 826 case Builtin::BI__builtin_memset: { 827 std::pair<llvm::Value*, unsigned> Dest = 828 EmitPointerWithAlignment(E->getArg(0)); 829 Value *ByteVal = Builder.CreateTrunc(EmitScalarExpr(E->getArg(1)), 830 Builder.getInt8Ty()); 831 Value *SizeVal = EmitScalarExpr(E->getArg(2)); 832 EmitNonNullArgCheck(RValue::get(Dest.first), E->getArg(0)->getType(), 833 E->getArg(0)->getExprLoc(), FD, 0); 834 Builder.CreateMemSet(Dest.first, ByteVal, SizeVal, Dest.second, false); 835 return RValue::get(Dest.first); 836 } 837 case Builtin::BI__builtin___memset_chk: { 838 // fold __builtin_memset_chk(x, y, cst1, cst2) to memset iff cst1<=cst2. 839 llvm::APSInt Size, DstSize; 840 if (!E->getArg(2)->EvaluateAsInt(Size, CGM.getContext()) || 841 !E->getArg(3)->EvaluateAsInt(DstSize, CGM.getContext())) 842 break; 843 if (Size.ugt(DstSize)) 844 break; 845 std::pair<llvm::Value*, unsigned> Dest = 846 EmitPointerWithAlignment(E->getArg(0)); 847 Value *ByteVal = Builder.CreateTrunc(EmitScalarExpr(E->getArg(1)), 848 Builder.getInt8Ty()); 849 Value *SizeVal = llvm::ConstantInt::get(Builder.getContext(), Size); 850 Builder.CreateMemSet(Dest.first, ByteVal, SizeVal, Dest.second, false); 851 return RValue::get(Dest.first); 852 } 853 case Builtin::BI__builtin_dwarf_cfa: { 854 // The offset in bytes from the first argument to the CFA. 855 // 856 // Why on earth is this in the frontend? Is there any reason at 857 // all that the backend can't reasonably determine this while 858 // lowering llvm.eh.dwarf.cfa()? 859 // 860 // TODO: If there's a satisfactory reason, add a target hook for 861 // this instead of hard-coding 0, which is correct for most targets. 862 int32_t Offset = 0; 863 864 Value *F = CGM.getIntrinsic(Intrinsic::eh_dwarf_cfa); 865 return RValue::get(Builder.CreateCall(F, 866 llvm::ConstantInt::get(Int32Ty, Offset))); 867 } 868 case Builtin::BI__builtin_return_address: { 869 Value *Depth = 870 CGM.EmitConstantExpr(E->getArg(0), getContext().UnsignedIntTy, this); 871 Value *F = CGM.getIntrinsic(Intrinsic::returnaddress); 872 return RValue::get(Builder.CreateCall(F, Depth)); 873 } 874 case Builtin::BI__builtin_frame_address: { 875 Value *Depth = 876 CGM.EmitConstantExpr(E->getArg(0), getContext().UnsignedIntTy, this); 877 Value *F = CGM.getIntrinsic(Intrinsic::frameaddress); 878 return RValue::get(Builder.CreateCall(F, Depth)); 879 } 880 case Builtin::BI__builtin_extract_return_addr: { 881 Value *Address = EmitScalarExpr(E->getArg(0)); 882 Value *Result = getTargetHooks().decodeReturnAddress(*this, Address); 883 return RValue::get(Result); 884 } 885 case Builtin::BI__builtin_frob_return_addr: { 886 Value *Address = EmitScalarExpr(E->getArg(0)); 887 Value *Result = getTargetHooks().encodeReturnAddress(*this, Address); 888 return RValue::get(Result); 889 } 890 case Builtin::BI__builtin_dwarf_sp_column: { 891 llvm::IntegerType *Ty 892 = cast<llvm::IntegerType>(ConvertType(E->getType())); 893 int Column = getTargetHooks().getDwarfEHStackPointer(CGM); 894 if (Column == -1) { 895 CGM.ErrorUnsupported(E, "__builtin_dwarf_sp_column"); 896 return RValue::get(llvm::UndefValue::get(Ty)); 897 } 898 return RValue::get(llvm::ConstantInt::get(Ty, Column, true)); 899 } 900 case Builtin::BI__builtin_init_dwarf_reg_size_table: { 901 Value *Address = EmitScalarExpr(E->getArg(0)); 902 if (getTargetHooks().initDwarfEHRegSizeTable(*this, Address)) 903 CGM.ErrorUnsupported(E, "__builtin_init_dwarf_reg_size_table"); 904 return RValue::get(llvm::UndefValue::get(ConvertType(E->getType()))); 905 } 906 case Builtin::BI__builtin_eh_return: { 907 Value *Int = EmitScalarExpr(E->getArg(0)); 908 Value *Ptr = EmitScalarExpr(E->getArg(1)); 909 910 llvm::IntegerType *IntTy = cast<llvm::IntegerType>(Int->getType()); 911 assert((IntTy->getBitWidth() == 32 || IntTy->getBitWidth() == 64) && 912 "LLVM's __builtin_eh_return only supports 32- and 64-bit variants"); 913 Value *F = CGM.getIntrinsic(IntTy->getBitWidth() == 32 914 ? Intrinsic::eh_return_i32 915 : Intrinsic::eh_return_i64); 916 Builder.CreateCall(F, {Int, Ptr}); 917 Builder.CreateUnreachable(); 918 919 // We do need to preserve an insertion point. 920 EmitBlock(createBasicBlock("builtin_eh_return.cont")); 921 922 return RValue::get(nullptr); 923 } 924 case Builtin::BI__builtin_unwind_init: { 925 Value *F = CGM.getIntrinsic(Intrinsic::eh_unwind_init); 926 return RValue::get(Builder.CreateCall(F)); 927 } 928 case Builtin::BI__builtin_extend_pointer: { 929 // Extends a pointer to the size of an _Unwind_Word, which is 930 // uint64_t on all platforms. Generally this gets poked into a 931 // register and eventually used as an address, so if the 932 // addressing registers are wider than pointers and the platform 933 // doesn't implicitly ignore high-order bits when doing 934 // addressing, we need to make sure we zext / sext based on 935 // the platform's expectations. 936 // 937 // See: http://gcc.gnu.org/ml/gcc-bugs/2002-02/msg00237.html 938 939 // Cast the pointer to intptr_t. 940 Value *Ptr = EmitScalarExpr(E->getArg(0)); 941 Value *Result = Builder.CreatePtrToInt(Ptr, IntPtrTy, "extend.cast"); 942 943 // If that's 64 bits, we're done. 944 if (IntPtrTy->getBitWidth() == 64) 945 return RValue::get(Result); 946 947 // Otherwise, ask the codegen data what to do. 948 if (getTargetHooks().extendPointerWithSExt()) 949 return RValue::get(Builder.CreateSExt(Result, Int64Ty, "extend.sext")); 950 else 951 return RValue::get(Builder.CreateZExt(Result, Int64Ty, "extend.zext")); 952 } 953 case Builtin::BI__builtin_setjmp: { 954 // Buffer is a void**. 955 Value *Buf = EmitScalarExpr(E->getArg(0)); 956 957 // Store the frame pointer to the setjmp buffer. 958 Value *FrameAddr = 959 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::frameaddress), 960 ConstantInt::get(Int32Ty, 0)); 961 Builder.CreateStore(FrameAddr, Buf); 962 963 // Store the stack pointer to the setjmp buffer. 964 Value *StackAddr = 965 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::stacksave)); 966 Value *StackSaveSlot = 967 Builder.CreateGEP(Buf, ConstantInt::get(Int32Ty, 2)); 968 Builder.CreateStore(StackAddr, StackSaveSlot); 969 970 // Call LLVM's EH setjmp, which is lightweight. 971 Value *F = CGM.getIntrinsic(Intrinsic::eh_sjlj_setjmp); 972 Buf = Builder.CreateBitCast(Buf, Int8PtrTy); 973 return RValue::get(Builder.CreateCall(F, Buf)); 974 } 975 case Builtin::BI__builtin_longjmp: { 976 Value *Buf = EmitScalarExpr(E->getArg(0)); 977 Buf = Builder.CreateBitCast(Buf, Int8PtrTy); 978 979 // Call LLVM's EH longjmp, which is lightweight. 980 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::eh_sjlj_longjmp), Buf); 981 982 // longjmp doesn't return; mark this as unreachable. 983 Builder.CreateUnreachable(); 984 985 // We do need to preserve an insertion point. 986 EmitBlock(createBasicBlock("longjmp.cont")); 987 988 return RValue::get(nullptr); 989 } 990 case Builtin::BI__sync_fetch_and_add: 991 case Builtin::BI__sync_fetch_and_sub: 992 case Builtin::BI__sync_fetch_and_or: 993 case Builtin::BI__sync_fetch_and_and: 994 case Builtin::BI__sync_fetch_and_xor: 995 case Builtin::BI__sync_fetch_and_nand: 996 case Builtin::BI__sync_add_and_fetch: 997 case Builtin::BI__sync_sub_and_fetch: 998 case Builtin::BI__sync_and_and_fetch: 999 case Builtin::BI__sync_or_and_fetch: 1000 case Builtin::BI__sync_xor_and_fetch: 1001 case Builtin::BI__sync_nand_and_fetch: 1002 case Builtin::BI__sync_val_compare_and_swap: 1003 case Builtin::BI__sync_bool_compare_and_swap: 1004 case Builtin::BI__sync_lock_test_and_set: 1005 case Builtin::BI__sync_lock_release: 1006 case Builtin::BI__sync_swap: 1007 llvm_unreachable("Shouldn't make it through sema"); 1008 case Builtin::BI__sync_fetch_and_add_1: 1009 case Builtin::BI__sync_fetch_and_add_2: 1010 case Builtin::BI__sync_fetch_and_add_4: 1011 case Builtin::BI__sync_fetch_and_add_8: 1012 case Builtin::BI__sync_fetch_and_add_16: 1013 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Add, E); 1014 case Builtin::BI__sync_fetch_and_sub_1: 1015 case Builtin::BI__sync_fetch_and_sub_2: 1016 case Builtin::BI__sync_fetch_and_sub_4: 1017 case Builtin::BI__sync_fetch_and_sub_8: 1018 case Builtin::BI__sync_fetch_and_sub_16: 1019 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Sub, E); 1020 case Builtin::BI__sync_fetch_and_or_1: 1021 case Builtin::BI__sync_fetch_and_or_2: 1022 case Builtin::BI__sync_fetch_and_or_4: 1023 case Builtin::BI__sync_fetch_and_or_8: 1024 case Builtin::BI__sync_fetch_and_or_16: 1025 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Or, E); 1026 case Builtin::BI__sync_fetch_and_and_1: 1027 case Builtin::BI__sync_fetch_and_and_2: 1028 case Builtin::BI__sync_fetch_and_and_4: 1029 case Builtin::BI__sync_fetch_and_and_8: 1030 case Builtin::BI__sync_fetch_and_and_16: 1031 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::And, E); 1032 case Builtin::BI__sync_fetch_and_xor_1: 1033 case Builtin::BI__sync_fetch_and_xor_2: 1034 case Builtin::BI__sync_fetch_and_xor_4: 1035 case Builtin::BI__sync_fetch_and_xor_8: 1036 case Builtin::BI__sync_fetch_and_xor_16: 1037 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xor, E); 1038 case Builtin::BI__sync_fetch_and_nand_1: 1039 case Builtin::BI__sync_fetch_and_nand_2: 1040 case Builtin::BI__sync_fetch_and_nand_4: 1041 case Builtin::BI__sync_fetch_and_nand_8: 1042 case Builtin::BI__sync_fetch_and_nand_16: 1043 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Nand, E); 1044 1045 // Clang extensions: not overloaded yet. 1046 case Builtin::BI__sync_fetch_and_min: 1047 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Min, E); 1048 case Builtin::BI__sync_fetch_and_max: 1049 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Max, E); 1050 case Builtin::BI__sync_fetch_and_umin: 1051 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::UMin, E); 1052 case Builtin::BI__sync_fetch_and_umax: 1053 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::UMax, E); 1054 1055 case Builtin::BI__sync_add_and_fetch_1: 1056 case Builtin::BI__sync_add_and_fetch_2: 1057 case Builtin::BI__sync_add_and_fetch_4: 1058 case Builtin::BI__sync_add_and_fetch_8: 1059 case Builtin::BI__sync_add_and_fetch_16: 1060 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Add, E, 1061 llvm::Instruction::Add); 1062 case Builtin::BI__sync_sub_and_fetch_1: 1063 case Builtin::BI__sync_sub_and_fetch_2: 1064 case Builtin::BI__sync_sub_and_fetch_4: 1065 case Builtin::BI__sync_sub_and_fetch_8: 1066 case Builtin::BI__sync_sub_and_fetch_16: 1067 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Sub, E, 1068 llvm::Instruction::Sub); 1069 case Builtin::BI__sync_and_and_fetch_1: 1070 case Builtin::BI__sync_and_and_fetch_2: 1071 case Builtin::BI__sync_and_and_fetch_4: 1072 case Builtin::BI__sync_and_and_fetch_8: 1073 case Builtin::BI__sync_and_and_fetch_16: 1074 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::And, E, 1075 llvm::Instruction::And); 1076 case Builtin::BI__sync_or_and_fetch_1: 1077 case Builtin::BI__sync_or_and_fetch_2: 1078 case Builtin::BI__sync_or_and_fetch_4: 1079 case Builtin::BI__sync_or_and_fetch_8: 1080 case Builtin::BI__sync_or_and_fetch_16: 1081 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Or, E, 1082 llvm::Instruction::Or); 1083 case Builtin::BI__sync_xor_and_fetch_1: 1084 case Builtin::BI__sync_xor_and_fetch_2: 1085 case Builtin::BI__sync_xor_and_fetch_4: 1086 case Builtin::BI__sync_xor_and_fetch_8: 1087 case Builtin::BI__sync_xor_and_fetch_16: 1088 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Xor, E, 1089 llvm::Instruction::Xor); 1090 case Builtin::BI__sync_nand_and_fetch_1: 1091 case Builtin::BI__sync_nand_and_fetch_2: 1092 case Builtin::BI__sync_nand_and_fetch_4: 1093 case Builtin::BI__sync_nand_and_fetch_8: 1094 case Builtin::BI__sync_nand_and_fetch_16: 1095 return EmitBinaryAtomicPost(*this, llvm::AtomicRMWInst::Nand, E, 1096 llvm::Instruction::And, true); 1097 1098 case Builtin::BI__sync_val_compare_and_swap_1: 1099 case Builtin::BI__sync_val_compare_and_swap_2: 1100 case Builtin::BI__sync_val_compare_and_swap_4: 1101 case Builtin::BI__sync_val_compare_and_swap_8: 1102 case Builtin::BI__sync_val_compare_and_swap_16: 1103 return RValue::get(MakeAtomicCmpXchgValue(*this, E, false)); 1104 1105 case Builtin::BI__sync_bool_compare_and_swap_1: 1106 case Builtin::BI__sync_bool_compare_and_swap_2: 1107 case Builtin::BI__sync_bool_compare_and_swap_4: 1108 case Builtin::BI__sync_bool_compare_and_swap_8: 1109 case Builtin::BI__sync_bool_compare_and_swap_16: 1110 return RValue::get(MakeAtomicCmpXchgValue(*this, E, true)); 1111 1112 case Builtin::BI__sync_swap_1: 1113 case Builtin::BI__sync_swap_2: 1114 case Builtin::BI__sync_swap_4: 1115 case Builtin::BI__sync_swap_8: 1116 case Builtin::BI__sync_swap_16: 1117 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xchg, E); 1118 1119 case Builtin::BI__sync_lock_test_and_set_1: 1120 case Builtin::BI__sync_lock_test_and_set_2: 1121 case Builtin::BI__sync_lock_test_and_set_4: 1122 case Builtin::BI__sync_lock_test_and_set_8: 1123 case Builtin::BI__sync_lock_test_and_set_16: 1124 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xchg, E); 1125 1126 case Builtin::BI__sync_lock_release_1: 1127 case Builtin::BI__sync_lock_release_2: 1128 case Builtin::BI__sync_lock_release_4: 1129 case Builtin::BI__sync_lock_release_8: 1130 case Builtin::BI__sync_lock_release_16: { 1131 Value *Ptr = EmitScalarExpr(E->getArg(0)); 1132 QualType ElTy = E->getArg(0)->getType()->getPointeeType(); 1133 CharUnits StoreSize = getContext().getTypeSizeInChars(ElTy); 1134 llvm::Type *ITy = llvm::IntegerType::get(getLLVMContext(), 1135 StoreSize.getQuantity() * 8); 1136 Ptr = Builder.CreateBitCast(Ptr, ITy->getPointerTo()); 1137 llvm::StoreInst *Store = 1138 Builder.CreateStore(llvm::Constant::getNullValue(ITy), Ptr); 1139 Store->setAlignment(StoreSize.getQuantity()); 1140 Store->setAtomic(llvm::Release); 1141 return RValue::get(nullptr); 1142 } 1143 1144 case Builtin::BI__sync_synchronize: { 1145 // We assume this is supposed to correspond to a C++0x-style 1146 // sequentially-consistent fence (i.e. this is only usable for 1147 // synchonization, not device I/O or anything like that). This intrinsic 1148 // is really badly designed in the sense that in theory, there isn't 1149 // any way to safely use it... but in practice, it mostly works 1150 // to use it with non-atomic loads and stores to get acquire/release 1151 // semantics. 1152 Builder.CreateFence(llvm::SequentiallyConsistent); 1153 return RValue::get(nullptr); 1154 } 1155 1156 case Builtin::BI__c11_atomic_is_lock_free: 1157 case Builtin::BI__atomic_is_lock_free: { 1158 // Call "bool __atomic_is_lock_free(size_t size, void *ptr)". For the 1159 // __c11 builtin, ptr is 0 (indicating a properly-aligned object), since 1160 // _Atomic(T) is always properly-aligned. 1161 const char *LibCallName = "__atomic_is_lock_free"; 1162 CallArgList Args; 1163 Args.add(RValue::get(EmitScalarExpr(E->getArg(0))), 1164 getContext().getSizeType()); 1165 if (BuiltinID == Builtin::BI__atomic_is_lock_free) 1166 Args.add(RValue::get(EmitScalarExpr(E->getArg(1))), 1167 getContext().VoidPtrTy); 1168 else 1169 Args.add(RValue::get(llvm::Constant::getNullValue(VoidPtrTy)), 1170 getContext().VoidPtrTy); 1171 const CGFunctionInfo &FuncInfo = 1172 CGM.getTypes().arrangeFreeFunctionCall(E->getType(), Args, 1173 FunctionType::ExtInfo(), 1174 RequiredArgs::All); 1175 llvm::FunctionType *FTy = CGM.getTypes().GetFunctionType(FuncInfo); 1176 llvm::Constant *Func = CGM.CreateRuntimeFunction(FTy, LibCallName); 1177 return EmitCall(FuncInfo, Func, ReturnValueSlot(), Args); 1178 } 1179 1180 case Builtin::BI__atomic_test_and_set: { 1181 // Look at the argument type to determine whether this is a volatile 1182 // operation. The parameter type is always volatile. 1183 QualType PtrTy = E->getArg(0)->IgnoreImpCasts()->getType(); 1184 bool Volatile = 1185 PtrTy->castAs<PointerType>()->getPointeeType().isVolatileQualified(); 1186 1187 Value *Ptr = EmitScalarExpr(E->getArg(0)); 1188 unsigned AddrSpace = Ptr->getType()->getPointerAddressSpace(); 1189 Ptr = Builder.CreateBitCast(Ptr, Int8Ty->getPointerTo(AddrSpace)); 1190 Value *NewVal = Builder.getInt8(1); 1191 Value *Order = EmitScalarExpr(E->getArg(1)); 1192 if (isa<llvm::ConstantInt>(Order)) { 1193 int ord = cast<llvm::ConstantInt>(Order)->getZExtValue(); 1194 AtomicRMWInst *Result = nullptr; 1195 switch (ord) { 1196 case 0: // memory_order_relaxed 1197 default: // invalid order 1198 Result = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1199 Ptr, NewVal, 1200 llvm::Monotonic); 1201 break; 1202 case 1: // memory_order_consume 1203 case 2: // memory_order_acquire 1204 Result = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1205 Ptr, NewVal, 1206 llvm::Acquire); 1207 break; 1208 case 3: // memory_order_release 1209 Result = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1210 Ptr, NewVal, 1211 llvm::Release); 1212 break; 1213 case 4: // memory_order_acq_rel 1214 Result = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1215 Ptr, NewVal, 1216 llvm::AcquireRelease); 1217 break; 1218 case 5: // memory_order_seq_cst 1219 Result = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1220 Ptr, NewVal, 1221 llvm::SequentiallyConsistent); 1222 break; 1223 } 1224 Result->setVolatile(Volatile); 1225 return RValue::get(Builder.CreateIsNotNull(Result, "tobool")); 1226 } 1227 1228 llvm::BasicBlock *ContBB = createBasicBlock("atomic.continue", CurFn); 1229 1230 llvm::BasicBlock *BBs[5] = { 1231 createBasicBlock("monotonic", CurFn), 1232 createBasicBlock("acquire", CurFn), 1233 createBasicBlock("release", CurFn), 1234 createBasicBlock("acqrel", CurFn), 1235 createBasicBlock("seqcst", CurFn) 1236 }; 1237 llvm::AtomicOrdering Orders[5] = { 1238 llvm::Monotonic, llvm::Acquire, llvm::Release, 1239 llvm::AcquireRelease, llvm::SequentiallyConsistent 1240 }; 1241 1242 Order = Builder.CreateIntCast(Order, Builder.getInt32Ty(), false); 1243 llvm::SwitchInst *SI = Builder.CreateSwitch(Order, BBs[0]); 1244 1245 Builder.SetInsertPoint(ContBB); 1246 PHINode *Result = Builder.CreatePHI(Int8Ty, 5, "was_set"); 1247 1248 for (unsigned i = 0; i < 5; ++i) { 1249 Builder.SetInsertPoint(BBs[i]); 1250 AtomicRMWInst *RMW = Builder.CreateAtomicRMW(llvm::AtomicRMWInst::Xchg, 1251 Ptr, NewVal, Orders[i]); 1252 RMW->setVolatile(Volatile); 1253 Result->addIncoming(RMW, BBs[i]); 1254 Builder.CreateBr(ContBB); 1255 } 1256 1257 SI->addCase(Builder.getInt32(0), BBs[0]); 1258 SI->addCase(Builder.getInt32(1), BBs[1]); 1259 SI->addCase(Builder.getInt32(2), BBs[1]); 1260 SI->addCase(Builder.getInt32(3), BBs[2]); 1261 SI->addCase(Builder.getInt32(4), BBs[3]); 1262 SI->addCase(Builder.getInt32(5), BBs[4]); 1263 1264 Builder.SetInsertPoint(ContBB); 1265 return RValue::get(Builder.CreateIsNotNull(Result, "tobool")); 1266 } 1267 1268 case Builtin::BI__atomic_clear: { 1269 QualType PtrTy = E->getArg(0)->IgnoreImpCasts()->getType(); 1270 bool Volatile = 1271 PtrTy->castAs<PointerType>()->getPointeeType().isVolatileQualified(); 1272 1273 Value *Ptr = EmitScalarExpr(E->getArg(0)); 1274 unsigned AddrSpace = Ptr->getType()->getPointerAddressSpace(); 1275 Ptr = Builder.CreateBitCast(Ptr, Int8Ty->getPointerTo(AddrSpace)); 1276 Value *NewVal = Builder.getInt8(0); 1277 Value *Order = EmitScalarExpr(E->getArg(1)); 1278 if (isa<llvm::ConstantInt>(Order)) { 1279 int ord = cast<llvm::ConstantInt>(Order)->getZExtValue(); 1280 StoreInst *Store = Builder.CreateStore(NewVal, Ptr, Volatile); 1281 Store->setAlignment(1); 1282 switch (ord) { 1283 case 0: // memory_order_relaxed 1284 default: // invalid order 1285 Store->setOrdering(llvm::Monotonic); 1286 break; 1287 case 3: // memory_order_release 1288 Store->setOrdering(llvm::Release); 1289 break; 1290 case 5: // memory_order_seq_cst 1291 Store->setOrdering(llvm::SequentiallyConsistent); 1292 break; 1293 } 1294 return RValue::get(nullptr); 1295 } 1296 1297 llvm::BasicBlock *ContBB = createBasicBlock("atomic.continue", CurFn); 1298 1299 llvm::BasicBlock *BBs[3] = { 1300 createBasicBlock("monotonic", CurFn), 1301 createBasicBlock("release", CurFn), 1302 createBasicBlock("seqcst", CurFn) 1303 }; 1304 llvm::AtomicOrdering Orders[3] = { 1305 llvm::Monotonic, llvm::Release, llvm::SequentiallyConsistent 1306 }; 1307 1308 Order = Builder.CreateIntCast(Order, Builder.getInt32Ty(), false); 1309 llvm::SwitchInst *SI = Builder.CreateSwitch(Order, BBs[0]); 1310 1311 for (unsigned i = 0; i < 3; ++i) { 1312 Builder.SetInsertPoint(BBs[i]); 1313 StoreInst *Store = Builder.CreateStore(NewVal, Ptr, Volatile); 1314 Store->setAlignment(1); 1315 Store->setOrdering(Orders[i]); 1316 Builder.CreateBr(ContBB); 1317 } 1318 1319 SI->addCase(Builder.getInt32(0), BBs[0]); 1320 SI->addCase(Builder.getInt32(3), BBs[1]); 1321 SI->addCase(Builder.getInt32(5), BBs[2]); 1322 1323 Builder.SetInsertPoint(ContBB); 1324 return RValue::get(nullptr); 1325 } 1326 1327 case Builtin::BI__atomic_thread_fence: 1328 case Builtin::BI__atomic_signal_fence: 1329 case Builtin::BI__c11_atomic_thread_fence: 1330 case Builtin::BI__c11_atomic_signal_fence: { 1331 llvm::SynchronizationScope Scope; 1332 if (BuiltinID == Builtin::BI__atomic_signal_fence || 1333 BuiltinID == Builtin::BI__c11_atomic_signal_fence) 1334 Scope = llvm::SingleThread; 1335 else 1336 Scope = llvm::CrossThread; 1337 Value *Order = EmitScalarExpr(E->getArg(0)); 1338 if (isa<llvm::ConstantInt>(Order)) { 1339 int ord = cast<llvm::ConstantInt>(Order)->getZExtValue(); 1340 switch (ord) { 1341 case 0: // memory_order_relaxed 1342 default: // invalid order 1343 break; 1344 case 1: // memory_order_consume 1345 case 2: // memory_order_acquire 1346 Builder.CreateFence(llvm::Acquire, Scope); 1347 break; 1348 case 3: // memory_order_release 1349 Builder.CreateFence(llvm::Release, Scope); 1350 break; 1351 case 4: // memory_order_acq_rel 1352 Builder.CreateFence(llvm::AcquireRelease, Scope); 1353 break; 1354 case 5: // memory_order_seq_cst 1355 Builder.CreateFence(llvm::SequentiallyConsistent, Scope); 1356 break; 1357 } 1358 return RValue::get(nullptr); 1359 } 1360 1361 llvm::BasicBlock *AcquireBB, *ReleaseBB, *AcqRelBB, *SeqCstBB; 1362 AcquireBB = createBasicBlock("acquire", CurFn); 1363 ReleaseBB = createBasicBlock("release", CurFn); 1364 AcqRelBB = createBasicBlock("acqrel", CurFn); 1365 SeqCstBB = createBasicBlock("seqcst", CurFn); 1366 llvm::BasicBlock *ContBB = createBasicBlock("atomic.continue", CurFn); 1367 1368 Order = Builder.CreateIntCast(Order, Builder.getInt32Ty(), false); 1369 llvm::SwitchInst *SI = Builder.CreateSwitch(Order, ContBB); 1370 1371 Builder.SetInsertPoint(AcquireBB); 1372 Builder.CreateFence(llvm::Acquire, Scope); 1373 Builder.CreateBr(ContBB); 1374 SI->addCase(Builder.getInt32(1), AcquireBB); 1375 SI->addCase(Builder.getInt32(2), AcquireBB); 1376 1377 Builder.SetInsertPoint(ReleaseBB); 1378 Builder.CreateFence(llvm::Release, Scope); 1379 Builder.CreateBr(ContBB); 1380 SI->addCase(Builder.getInt32(3), ReleaseBB); 1381 1382 Builder.SetInsertPoint(AcqRelBB); 1383 Builder.CreateFence(llvm::AcquireRelease, Scope); 1384 Builder.CreateBr(ContBB); 1385 SI->addCase(Builder.getInt32(4), AcqRelBB); 1386 1387 Builder.SetInsertPoint(SeqCstBB); 1388 Builder.CreateFence(llvm::SequentiallyConsistent, Scope); 1389 Builder.CreateBr(ContBB); 1390 SI->addCase(Builder.getInt32(5), SeqCstBB); 1391 1392 Builder.SetInsertPoint(ContBB); 1393 return RValue::get(nullptr); 1394 } 1395 1396 // Library functions with special handling. 1397 case Builtin::BIsqrt: 1398 case Builtin::BIsqrtf: 1399 case Builtin::BIsqrtl: { 1400 // Transform a call to sqrt* into a @llvm.sqrt.* intrinsic call, but only 1401 // in finite- or unsafe-math mode (the intrinsic has different semantics 1402 // for handling negative numbers compared to the library function, so 1403 // -fmath-errno=0 is not enough). 1404 if (!FD->hasAttr<ConstAttr>()) 1405 break; 1406 if (!(CGM.getCodeGenOpts().UnsafeFPMath || 1407 CGM.getCodeGenOpts().NoNaNsFPMath)) 1408 break; 1409 Value *Arg0 = EmitScalarExpr(E->getArg(0)); 1410 llvm::Type *ArgType = Arg0->getType(); 1411 Value *F = CGM.getIntrinsic(Intrinsic::sqrt, ArgType); 1412 return RValue::get(Builder.CreateCall(F, Arg0)); 1413 } 1414 1415 case Builtin::BI__builtin_pow: 1416 case Builtin::BI__builtin_powf: 1417 case Builtin::BI__builtin_powl: 1418 case Builtin::BIpow: 1419 case Builtin::BIpowf: 1420 case Builtin::BIpowl: { 1421 // Transform a call to pow* into a @llvm.pow.* intrinsic call. 1422 if (!FD->hasAttr<ConstAttr>()) 1423 break; 1424 Value *Base = EmitScalarExpr(E->getArg(0)); 1425 Value *Exponent = EmitScalarExpr(E->getArg(1)); 1426 llvm::Type *ArgType = Base->getType(); 1427 Value *F = CGM.getIntrinsic(Intrinsic::pow, ArgType); 1428 return RValue::get(Builder.CreateCall(F, {Base, Exponent})); 1429 } 1430 1431 case Builtin::BIfma: 1432 case Builtin::BIfmaf: 1433 case Builtin::BIfmal: 1434 case Builtin::BI__builtin_fma: 1435 case Builtin::BI__builtin_fmaf: 1436 case Builtin::BI__builtin_fmal: { 1437 // Rewrite fma to intrinsic. 1438 Value *FirstArg = EmitScalarExpr(E->getArg(0)); 1439 llvm::Type *ArgType = FirstArg->getType(); 1440 Value *F = CGM.getIntrinsic(Intrinsic::fma, ArgType); 1441 return RValue::get( 1442 Builder.CreateCall(F, {FirstArg, EmitScalarExpr(E->getArg(1)), 1443 EmitScalarExpr(E->getArg(2))})); 1444 } 1445 1446 case Builtin::BI__builtin_signbit: 1447 case Builtin::BI__builtin_signbitf: 1448 case Builtin::BI__builtin_signbitl: { 1449 return RValue::get( 1450 Builder.CreateZExt(EmitSignBit(*this, EmitScalarExpr(E->getArg(0))), 1451 ConvertType(E->getType()))); 1452 } 1453 case Builtin::BI__builtin_annotation: { 1454 llvm::Value *AnnVal = EmitScalarExpr(E->getArg(0)); 1455 llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::annotation, 1456 AnnVal->getType()); 1457 1458 // Get the annotation string, go through casts. Sema requires this to be a 1459 // non-wide string literal, potentially casted, so the cast<> is safe. 1460 const Expr *AnnotationStrExpr = E->getArg(1)->IgnoreParenCasts(); 1461 StringRef Str = cast<StringLiteral>(AnnotationStrExpr)->getString(); 1462 return RValue::get(EmitAnnotationCall(F, AnnVal, Str, E->getExprLoc())); 1463 } 1464 case Builtin::BI__builtin_addcb: 1465 case Builtin::BI__builtin_addcs: 1466 case Builtin::BI__builtin_addc: 1467 case Builtin::BI__builtin_addcl: 1468 case Builtin::BI__builtin_addcll: 1469 case Builtin::BI__builtin_subcb: 1470 case Builtin::BI__builtin_subcs: 1471 case Builtin::BI__builtin_subc: 1472 case Builtin::BI__builtin_subcl: 1473 case Builtin::BI__builtin_subcll: { 1474 1475 // We translate all of these builtins from expressions of the form: 1476 // int x = ..., y = ..., carryin = ..., carryout, result; 1477 // result = __builtin_addc(x, y, carryin, &carryout); 1478 // 1479 // to LLVM IR of the form: 1480 // 1481 // %tmp1 = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %x, i32 %y) 1482 // %tmpsum1 = extractvalue {i32, i1} %tmp1, 0 1483 // %carry1 = extractvalue {i32, i1} %tmp1, 1 1484 // %tmp2 = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %tmpsum1, 1485 // i32 %carryin) 1486 // %result = extractvalue {i32, i1} %tmp2, 0 1487 // %carry2 = extractvalue {i32, i1} %tmp2, 1 1488 // %tmp3 = or i1 %carry1, %carry2 1489 // %tmp4 = zext i1 %tmp3 to i32 1490 // store i32 %tmp4, i32* %carryout 1491 1492 // Scalarize our inputs. 1493 llvm::Value *X = EmitScalarExpr(E->getArg(0)); 1494 llvm::Value *Y = EmitScalarExpr(E->getArg(1)); 1495 llvm::Value *Carryin = EmitScalarExpr(E->getArg(2)); 1496 std::pair<llvm::Value*, unsigned> CarryOutPtr = 1497 EmitPointerWithAlignment(E->getArg(3)); 1498 1499 // Decide if we are lowering to a uadd.with.overflow or usub.with.overflow. 1500 llvm::Intrinsic::ID IntrinsicId; 1501 switch (BuiltinID) { 1502 default: llvm_unreachable("Unknown multiprecision builtin id."); 1503 case Builtin::BI__builtin_addcb: 1504 case Builtin::BI__builtin_addcs: 1505 case Builtin::BI__builtin_addc: 1506 case Builtin::BI__builtin_addcl: 1507 case Builtin::BI__builtin_addcll: 1508 IntrinsicId = llvm::Intrinsic::uadd_with_overflow; 1509 break; 1510 case Builtin::BI__builtin_subcb: 1511 case Builtin::BI__builtin_subcs: 1512 case Builtin::BI__builtin_subc: 1513 case Builtin::BI__builtin_subcl: 1514 case Builtin::BI__builtin_subcll: 1515 IntrinsicId = llvm::Intrinsic::usub_with_overflow; 1516 break; 1517 } 1518 1519 // Construct our resulting LLVM IR expression. 1520 llvm::Value *Carry1; 1521 llvm::Value *Sum1 = EmitOverflowIntrinsic(*this, IntrinsicId, 1522 X, Y, Carry1); 1523 llvm::Value *Carry2; 1524 llvm::Value *Sum2 = EmitOverflowIntrinsic(*this, IntrinsicId, 1525 Sum1, Carryin, Carry2); 1526 llvm::Value *CarryOut = Builder.CreateZExt(Builder.CreateOr(Carry1, Carry2), 1527 X->getType()); 1528 llvm::StoreInst *CarryOutStore = Builder.CreateStore(CarryOut, 1529 CarryOutPtr.first); 1530 CarryOutStore->setAlignment(CarryOutPtr.second); 1531 return RValue::get(Sum2); 1532 } 1533 case Builtin::BI__builtin_uadd_overflow: 1534 case Builtin::BI__builtin_uaddl_overflow: 1535 case Builtin::BI__builtin_uaddll_overflow: 1536 case Builtin::BI__builtin_usub_overflow: 1537 case Builtin::BI__builtin_usubl_overflow: 1538 case Builtin::BI__builtin_usubll_overflow: 1539 case Builtin::BI__builtin_umul_overflow: 1540 case Builtin::BI__builtin_umull_overflow: 1541 case Builtin::BI__builtin_umulll_overflow: 1542 case Builtin::BI__builtin_sadd_overflow: 1543 case Builtin::BI__builtin_saddl_overflow: 1544 case Builtin::BI__builtin_saddll_overflow: 1545 case Builtin::BI__builtin_ssub_overflow: 1546 case Builtin::BI__builtin_ssubl_overflow: 1547 case Builtin::BI__builtin_ssubll_overflow: 1548 case Builtin::BI__builtin_smul_overflow: 1549 case Builtin::BI__builtin_smull_overflow: 1550 case Builtin::BI__builtin_smulll_overflow: { 1551 1552 // We translate all of these builtins directly to the relevant llvm IR node. 1553 1554 // Scalarize our inputs. 1555 llvm::Value *X = EmitScalarExpr(E->getArg(0)); 1556 llvm::Value *Y = EmitScalarExpr(E->getArg(1)); 1557 std::pair<llvm::Value *, unsigned> SumOutPtr = 1558 EmitPointerWithAlignment(E->getArg(2)); 1559 1560 // Decide which of the overflow intrinsics we are lowering to: 1561 llvm::Intrinsic::ID IntrinsicId; 1562 switch (BuiltinID) { 1563 default: llvm_unreachable("Unknown security overflow builtin id."); 1564 case Builtin::BI__builtin_uadd_overflow: 1565 case Builtin::BI__builtin_uaddl_overflow: 1566 case Builtin::BI__builtin_uaddll_overflow: 1567 IntrinsicId = llvm::Intrinsic::uadd_with_overflow; 1568 break; 1569 case Builtin::BI__builtin_usub_overflow: 1570 case Builtin::BI__builtin_usubl_overflow: 1571 case Builtin::BI__builtin_usubll_overflow: 1572 IntrinsicId = llvm::Intrinsic::usub_with_overflow; 1573 break; 1574 case Builtin::BI__builtin_umul_overflow: 1575 case Builtin::BI__builtin_umull_overflow: 1576 case Builtin::BI__builtin_umulll_overflow: 1577 IntrinsicId = llvm::Intrinsic::umul_with_overflow; 1578 break; 1579 case Builtin::BI__builtin_sadd_overflow: 1580 case Builtin::BI__builtin_saddl_overflow: 1581 case Builtin::BI__builtin_saddll_overflow: 1582 IntrinsicId = llvm::Intrinsic::sadd_with_overflow; 1583 break; 1584 case Builtin::BI__builtin_ssub_overflow: 1585 case Builtin::BI__builtin_ssubl_overflow: 1586 case Builtin::BI__builtin_ssubll_overflow: 1587 IntrinsicId = llvm::Intrinsic::ssub_with_overflow; 1588 break; 1589 case Builtin::BI__builtin_smul_overflow: 1590 case Builtin::BI__builtin_smull_overflow: 1591 case Builtin::BI__builtin_smulll_overflow: 1592 IntrinsicId = llvm::Intrinsic::smul_with_overflow; 1593 break; 1594 } 1595 1596 1597 llvm::Value *Carry; 1598 llvm::Value *Sum = EmitOverflowIntrinsic(*this, IntrinsicId, X, Y, Carry); 1599 llvm::StoreInst *SumOutStore = Builder.CreateStore(Sum, SumOutPtr.first); 1600 SumOutStore->setAlignment(SumOutPtr.second); 1601 1602 return RValue::get(Carry); 1603 } 1604 case Builtin::BI__builtin_addressof: 1605 return RValue::get(EmitLValue(E->getArg(0)).getAddress()); 1606 case Builtin::BI__builtin_operator_new: 1607 return EmitBuiltinNewDeleteCall(FD->getType()->castAs<FunctionProtoType>(), 1608 E->getArg(0), false); 1609 case Builtin::BI__builtin_operator_delete: 1610 return EmitBuiltinNewDeleteCall(FD->getType()->castAs<FunctionProtoType>(), 1611 E->getArg(0), true); 1612 case Builtin::BI__noop: 1613 // __noop always evaluates to an integer literal zero. 1614 return RValue::get(ConstantInt::get(IntTy, 0)); 1615 case Builtin::BI__builtin_call_with_static_chain: { 1616 const CallExpr *Call = cast<CallExpr>(E->getArg(0)); 1617 const Expr *Chain = E->getArg(1); 1618 return EmitCall(Call->getCallee()->getType(), 1619 EmitScalarExpr(Call->getCallee()), Call, ReturnValue, 1620 Call->getCalleeDecl(), EmitScalarExpr(Chain)); 1621 } 1622 case Builtin::BI_InterlockedExchange: 1623 case Builtin::BI_InterlockedExchangePointer: 1624 return EmitBinaryAtomic(*this, llvm::AtomicRMWInst::Xchg, E); 1625 case Builtin::BI_InterlockedCompareExchangePointer: { 1626 llvm::Type *RTy; 1627 llvm::IntegerType *IntType = 1628 IntegerType::get(getLLVMContext(), 1629 getContext().getTypeSize(E->getType())); 1630 llvm::Type *IntPtrType = IntType->getPointerTo(); 1631 1632 llvm::Value *Destination = 1633 Builder.CreateBitCast(EmitScalarExpr(E->getArg(0)), IntPtrType); 1634 1635 llvm::Value *Exchange = EmitScalarExpr(E->getArg(1)); 1636 RTy = Exchange->getType(); 1637 Exchange = Builder.CreatePtrToInt(Exchange, IntType); 1638 1639 llvm::Value *Comparand = 1640 Builder.CreatePtrToInt(EmitScalarExpr(E->getArg(2)), IntType); 1641 1642 auto Result = Builder.CreateAtomicCmpXchg(Destination, Comparand, Exchange, 1643 SequentiallyConsistent, 1644 SequentiallyConsistent); 1645 Result->setVolatile(true); 1646 1647 return RValue::get(Builder.CreateIntToPtr(Builder.CreateExtractValue(Result, 1648 0), 1649 RTy)); 1650 } 1651 case Builtin::BI_InterlockedCompareExchange: { 1652 AtomicCmpXchgInst *CXI = Builder.CreateAtomicCmpXchg( 1653 EmitScalarExpr(E->getArg(0)), 1654 EmitScalarExpr(E->getArg(2)), 1655 EmitScalarExpr(E->getArg(1)), 1656 SequentiallyConsistent, 1657 SequentiallyConsistent); 1658 CXI->setVolatile(true); 1659 return RValue::get(Builder.CreateExtractValue(CXI, 0)); 1660 } 1661 case Builtin::BI_InterlockedIncrement: { 1662 AtomicRMWInst *RMWI = Builder.CreateAtomicRMW( 1663 AtomicRMWInst::Add, 1664 EmitScalarExpr(E->getArg(0)), 1665 ConstantInt::get(Int32Ty, 1), 1666 llvm::SequentiallyConsistent); 1667 RMWI->setVolatile(true); 1668 return RValue::get(Builder.CreateAdd(RMWI, ConstantInt::get(Int32Ty, 1))); 1669 } 1670 case Builtin::BI_InterlockedDecrement: { 1671 AtomicRMWInst *RMWI = Builder.CreateAtomicRMW( 1672 AtomicRMWInst::Sub, 1673 EmitScalarExpr(E->getArg(0)), 1674 ConstantInt::get(Int32Ty, 1), 1675 llvm::SequentiallyConsistent); 1676 RMWI->setVolatile(true); 1677 return RValue::get(Builder.CreateSub(RMWI, ConstantInt::get(Int32Ty, 1))); 1678 } 1679 case Builtin::BI_InterlockedExchangeAdd: { 1680 AtomicRMWInst *RMWI = Builder.CreateAtomicRMW( 1681 AtomicRMWInst::Add, 1682 EmitScalarExpr(E->getArg(0)), 1683 EmitScalarExpr(E->getArg(1)), 1684 llvm::SequentiallyConsistent); 1685 RMWI->setVolatile(true); 1686 return RValue::get(RMWI); 1687 } 1688 case Builtin::BI__readfsdword: { 1689 Value *IntToPtr = 1690 Builder.CreateIntToPtr(EmitScalarExpr(E->getArg(0)), 1691 llvm::PointerType::get(CGM.Int32Ty, 257)); 1692 LoadInst *Load = 1693 Builder.CreateAlignedLoad(IntToPtr, /*Align=*/4, /*isVolatile=*/true); 1694 return RValue::get(Load); 1695 } 1696 1697 case Builtin::BI__exception_code: 1698 case Builtin::BI_exception_code: 1699 return RValue::get(EmitSEHExceptionCode()); 1700 case Builtin::BI__exception_info: 1701 case Builtin::BI_exception_info: 1702 return RValue::get(EmitSEHExceptionInfo()); 1703 case Builtin::BI__abnormal_termination: 1704 case Builtin::BI_abnormal_termination: 1705 return RValue::get(EmitSEHAbnormalTermination()); 1706 case Builtin::BI_setjmpex: { 1707 if (getTarget().getTriple().isOSMSVCRT()) { 1708 llvm::Type *ArgTypes[] = {Int8PtrTy, Int8PtrTy}; 1709 llvm::AttributeSet ReturnsTwiceAttr = 1710 AttributeSet::get(getLLVMContext(), llvm::AttributeSet::FunctionIndex, 1711 llvm::Attribute::ReturnsTwice); 1712 llvm::Constant *SetJmpEx = CGM.CreateRuntimeFunction( 1713 llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/false), 1714 "_setjmpex", ReturnsTwiceAttr); 1715 llvm::Value *Buf = Builder.CreateBitOrPointerCast( 1716 EmitScalarExpr(E->getArg(0)), Int8PtrTy); 1717 llvm::Value *FrameAddr = 1718 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::frameaddress), 1719 ConstantInt::get(Int32Ty, 0)); 1720 llvm::Value *Args[] = {Buf, FrameAddr}; 1721 llvm::CallSite CS = EmitRuntimeCallOrInvoke(SetJmpEx, Args); 1722 CS.setAttributes(ReturnsTwiceAttr); 1723 return RValue::get(CS.getInstruction()); 1724 } 1725 break; 1726 } 1727 case Builtin::BI_setjmp: { 1728 if (getTarget().getTriple().isOSMSVCRT()) { 1729 llvm::AttributeSet ReturnsTwiceAttr = 1730 AttributeSet::get(getLLVMContext(), llvm::AttributeSet::FunctionIndex, 1731 llvm::Attribute::ReturnsTwice); 1732 llvm::Value *Buf = Builder.CreateBitOrPointerCast( 1733 EmitScalarExpr(E->getArg(0)), Int8PtrTy); 1734 llvm::CallSite CS; 1735 if (getTarget().getTriple().getArch() == llvm::Triple::x86) { 1736 llvm::Type *ArgTypes[] = {Int8PtrTy, IntTy}; 1737 llvm::Constant *SetJmp3 = CGM.CreateRuntimeFunction( 1738 llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/true), 1739 "_setjmp3", ReturnsTwiceAttr); 1740 llvm::Value *Count = ConstantInt::get(IntTy, 0); 1741 llvm::Value *Args[] = {Buf, Count}; 1742 CS = EmitRuntimeCallOrInvoke(SetJmp3, Args); 1743 } else { 1744 llvm::Type *ArgTypes[] = {Int8PtrTy, Int8PtrTy}; 1745 llvm::Constant *SetJmp = CGM.CreateRuntimeFunction( 1746 llvm::FunctionType::get(IntTy, ArgTypes, /*isVarArg=*/false), 1747 "_setjmp", ReturnsTwiceAttr); 1748 llvm::Value *FrameAddr = 1749 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::frameaddress), 1750 ConstantInt::get(Int32Ty, 0)); 1751 llvm::Value *Args[] = {Buf, FrameAddr}; 1752 CS = EmitRuntimeCallOrInvoke(SetJmp, Args); 1753 } 1754 CS.setAttributes(ReturnsTwiceAttr); 1755 return RValue::get(CS.getInstruction()); 1756 } 1757 break; 1758 } 1759 1760 case Builtin::BI__GetExceptionInfo: { 1761 if (llvm::GlobalVariable *GV = 1762 CGM.getCXXABI().getThrowInfo(FD->getParamDecl(0)->getType())) 1763 return RValue::get(llvm::ConstantExpr::getBitCast(GV, CGM.Int8PtrTy)); 1764 break; 1765 } 1766 } 1767 1768 // If this is an alias for a lib function (e.g. __builtin_sin), emit 1769 // the call using the normal call path, but using the unmangled 1770 // version of the function name. 1771 if (getContext().BuiltinInfo.isLibFunction(BuiltinID)) 1772 return emitLibraryCall(*this, FD, E, 1773 CGM.getBuiltinLibFunction(FD, BuiltinID)); 1774 1775 // If this is a predefined lib function (e.g. malloc), emit the call 1776 // using exactly the normal call path. 1777 if (getContext().BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 1778 return emitLibraryCall(*this, FD, E, EmitScalarExpr(E->getCallee())); 1779 1780 // See if we have a target specific intrinsic. 1781 const char *Name = getContext().BuiltinInfo.GetName(BuiltinID); 1782 Intrinsic::ID IntrinsicID = Intrinsic::not_intrinsic; 1783 if (const char *Prefix = 1784 llvm::Triple::getArchTypePrefix(getTarget().getTriple().getArch())) { 1785 IntrinsicID = Intrinsic::getIntrinsicForGCCBuiltin(Prefix, Name); 1786 // NOTE we dont need to perform a compatibility flag check here since the 1787 // intrinsics are declared in Builtins*.def via LANGBUILTIN which filter the 1788 // MS builtins via ALL_MS_LANGUAGES and are filtered earlier. 1789 if (IntrinsicID == Intrinsic::not_intrinsic) 1790 IntrinsicID = Intrinsic::getIntrinsicForMSBuiltin(Prefix, Name); 1791 } 1792 1793 if (IntrinsicID != Intrinsic::not_intrinsic) { 1794 SmallVector<Value*, 16> Args; 1795 1796 // Find out if any arguments are required to be integer constant 1797 // expressions. 1798 unsigned ICEArguments = 0; 1799 ASTContext::GetBuiltinTypeError Error; 1800 getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments); 1801 assert(Error == ASTContext::GE_None && "Should not codegen an error"); 1802 1803 Function *F = CGM.getIntrinsic(IntrinsicID); 1804 llvm::FunctionType *FTy = F->getFunctionType(); 1805 1806 for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) { 1807 Value *ArgValue; 1808 // If this is a normal argument, just emit it as a scalar. 1809 if ((ICEArguments & (1 << i)) == 0) { 1810 ArgValue = EmitScalarExpr(E->getArg(i)); 1811 } else { 1812 // If this is required to be a constant, constant fold it so that we 1813 // know that the generated intrinsic gets a ConstantInt. 1814 llvm::APSInt Result; 1815 bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result,getContext()); 1816 assert(IsConst && "Constant arg isn't actually constant?"); 1817 (void)IsConst; 1818 ArgValue = llvm::ConstantInt::get(getLLVMContext(), Result); 1819 } 1820 1821 // If the intrinsic arg type is different from the builtin arg type 1822 // we need to do a bit cast. 1823 llvm::Type *PTy = FTy->getParamType(i); 1824 if (PTy != ArgValue->getType()) { 1825 assert(PTy->canLosslesslyBitCastTo(FTy->getParamType(i)) && 1826 "Must be able to losslessly bit cast to param"); 1827 ArgValue = Builder.CreateBitCast(ArgValue, PTy); 1828 } 1829 1830 Args.push_back(ArgValue); 1831 } 1832 1833 Value *V = Builder.CreateCall(F, Args); 1834 QualType BuiltinRetType = E->getType(); 1835 1836 llvm::Type *RetTy = VoidTy; 1837 if (!BuiltinRetType->isVoidType()) 1838 RetTy = ConvertType(BuiltinRetType); 1839 1840 if (RetTy != V->getType()) { 1841 assert(V->getType()->canLosslesslyBitCastTo(RetTy) && 1842 "Must be able to losslessly bit cast result type"); 1843 V = Builder.CreateBitCast(V, RetTy); 1844 } 1845 1846 return RValue::get(V); 1847 } 1848 1849 // See if we have a target specific builtin that needs to be lowered. 1850 if (Value *V = EmitTargetBuiltinExpr(BuiltinID, E)) 1851 return RValue::get(V); 1852 1853 ErrorUnsupported(E, "builtin function"); 1854 1855 // Unknown builtin, for now just dump it out and return undef. 1856 return GetUndefRValue(E->getType()); 1857 } 1858 1859 Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID, 1860 const CallExpr *E) { 1861 switch (getTarget().getTriple().getArch()) { 1862 case llvm::Triple::arm: 1863 case llvm::Triple::armeb: 1864 case llvm::Triple::thumb: 1865 case llvm::Triple::thumbeb: 1866 return EmitARMBuiltinExpr(BuiltinID, E); 1867 case llvm::Triple::aarch64: 1868 case llvm::Triple::aarch64_be: 1869 return EmitAArch64BuiltinExpr(BuiltinID, E); 1870 case llvm::Triple::x86: 1871 case llvm::Triple::x86_64: 1872 return EmitX86BuiltinExpr(BuiltinID, E); 1873 case llvm::Triple::ppc: 1874 case llvm::Triple::ppc64: 1875 case llvm::Triple::ppc64le: 1876 return EmitPPCBuiltinExpr(BuiltinID, E); 1877 case llvm::Triple::r600: 1878 case llvm::Triple::amdgcn: 1879 return EmitAMDGPUBuiltinExpr(BuiltinID, E); 1880 case llvm::Triple::systemz: 1881 return EmitSystemZBuiltinExpr(BuiltinID, E); 1882 case llvm::Triple::nvptx: 1883 case llvm::Triple::nvptx64: 1884 return EmitNVPTXBuiltinExpr(BuiltinID, E); 1885 default: 1886 return nullptr; 1887 } 1888 } 1889 1890 static llvm::VectorType *GetNeonType(CodeGenFunction *CGF, 1891 NeonTypeFlags TypeFlags, 1892 bool V1Ty=false) { 1893 int IsQuad = TypeFlags.isQuad(); 1894 switch (TypeFlags.getEltType()) { 1895 case NeonTypeFlags::Int8: 1896 case NeonTypeFlags::Poly8: 1897 return llvm::VectorType::get(CGF->Int8Ty, V1Ty ? 1 : (8 << IsQuad)); 1898 case NeonTypeFlags::Int16: 1899 case NeonTypeFlags::Poly16: 1900 case NeonTypeFlags::Float16: 1901 return llvm::VectorType::get(CGF->Int16Ty, V1Ty ? 1 : (4 << IsQuad)); 1902 case NeonTypeFlags::Int32: 1903 return llvm::VectorType::get(CGF->Int32Ty, V1Ty ? 1 : (2 << IsQuad)); 1904 case NeonTypeFlags::Int64: 1905 case NeonTypeFlags::Poly64: 1906 return llvm::VectorType::get(CGF->Int64Ty, V1Ty ? 1 : (1 << IsQuad)); 1907 case NeonTypeFlags::Poly128: 1908 // FIXME: i128 and f128 doesn't get fully support in Clang and llvm. 1909 // There is a lot of i128 and f128 API missing. 1910 // so we use v16i8 to represent poly128 and get pattern matched. 1911 return llvm::VectorType::get(CGF->Int8Ty, 16); 1912 case NeonTypeFlags::Float32: 1913 return llvm::VectorType::get(CGF->FloatTy, V1Ty ? 1 : (2 << IsQuad)); 1914 case NeonTypeFlags::Float64: 1915 return llvm::VectorType::get(CGF->DoubleTy, V1Ty ? 1 : (1 << IsQuad)); 1916 } 1917 llvm_unreachable("Unknown vector element type!"); 1918 } 1919 1920 Value *CodeGenFunction::EmitNeonSplat(Value *V, Constant *C) { 1921 unsigned nElts = cast<llvm::VectorType>(V->getType())->getNumElements(); 1922 Value* SV = llvm::ConstantVector::getSplat(nElts, C); 1923 return Builder.CreateShuffleVector(V, V, SV, "lane"); 1924 } 1925 1926 Value *CodeGenFunction::EmitNeonCall(Function *F, SmallVectorImpl<Value*> &Ops, 1927 const char *name, 1928 unsigned shift, bool rightshift) { 1929 unsigned j = 0; 1930 for (Function::const_arg_iterator ai = F->arg_begin(), ae = F->arg_end(); 1931 ai != ae; ++ai, ++j) 1932 if (shift > 0 && shift == j) 1933 Ops[j] = EmitNeonShiftVector(Ops[j], ai->getType(), rightshift); 1934 else 1935 Ops[j] = Builder.CreateBitCast(Ops[j], ai->getType(), name); 1936 1937 return Builder.CreateCall(F, Ops, name); 1938 } 1939 1940 Value *CodeGenFunction::EmitNeonShiftVector(Value *V, llvm::Type *Ty, 1941 bool neg) { 1942 int SV = cast<ConstantInt>(V)->getSExtValue(); 1943 1944 llvm::VectorType *VTy = cast<llvm::VectorType>(Ty); 1945 llvm::Constant *C = ConstantInt::get(VTy->getElementType(), neg ? -SV : SV); 1946 return llvm::ConstantVector::getSplat(VTy->getNumElements(), C); 1947 } 1948 1949 // \brief Right-shift a vector by a constant. 1950 Value *CodeGenFunction::EmitNeonRShiftImm(Value *Vec, Value *Shift, 1951 llvm::Type *Ty, bool usgn, 1952 const char *name) { 1953 llvm::VectorType *VTy = cast<llvm::VectorType>(Ty); 1954 1955 int ShiftAmt = cast<ConstantInt>(Shift)->getSExtValue(); 1956 int EltSize = VTy->getScalarSizeInBits(); 1957 1958 Vec = Builder.CreateBitCast(Vec, Ty); 1959 1960 // lshr/ashr are undefined when the shift amount is equal to the vector 1961 // element size. 1962 if (ShiftAmt == EltSize) { 1963 if (usgn) { 1964 // Right-shifting an unsigned value by its size yields 0. 1965 llvm::Constant *Zero = ConstantInt::get(VTy->getElementType(), 0); 1966 return llvm::ConstantVector::getSplat(VTy->getNumElements(), Zero); 1967 } else { 1968 // Right-shifting a signed value by its size is equivalent 1969 // to a shift of size-1. 1970 --ShiftAmt; 1971 Shift = ConstantInt::get(VTy->getElementType(), ShiftAmt); 1972 } 1973 } 1974 1975 Shift = EmitNeonShiftVector(Shift, Ty, false); 1976 if (usgn) 1977 return Builder.CreateLShr(Vec, Shift, name); 1978 else 1979 return Builder.CreateAShr(Vec, Shift, name); 1980 } 1981 1982 /// GetPointeeAlignment - Given an expression with a pointer type, find the 1983 /// alignment of the type referenced by the pointer. Skip over implicit 1984 /// casts. 1985 std::pair<llvm::Value*, unsigned> 1986 CodeGenFunction::EmitPointerWithAlignment(const Expr *Addr) { 1987 assert(Addr->getType()->isPointerType()); 1988 Addr = Addr->IgnoreParens(); 1989 if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Addr)) { 1990 if ((ICE->getCastKind() == CK_BitCast || ICE->getCastKind() == CK_NoOp) && 1991 ICE->getSubExpr()->getType()->isPointerType()) { 1992 std::pair<llvm::Value*, unsigned> Ptr = 1993 EmitPointerWithAlignment(ICE->getSubExpr()); 1994 Ptr.first = Builder.CreateBitCast(Ptr.first, 1995 ConvertType(Addr->getType())); 1996 return Ptr; 1997 } else if (ICE->getCastKind() == CK_ArrayToPointerDecay) { 1998 LValue LV = EmitLValue(ICE->getSubExpr()); 1999 unsigned Align = LV.getAlignment().getQuantity(); 2000 if (!Align) { 2001 // FIXME: Once LValues are fixed to always set alignment, 2002 // zap this code. 2003 QualType PtTy = ICE->getSubExpr()->getType(); 2004 if (!PtTy->isIncompleteType()) 2005 Align = getContext().getTypeAlignInChars(PtTy).getQuantity(); 2006 else 2007 Align = 1; 2008 } 2009 return std::make_pair(LV.getAddress(), Align); 2010 } 2011 } 2012 if (const UnaryOperator *UO = dyn_cast<UnaryOperator>(Addr)) { 2013 if (UO->getOpcode() == UO_AddrOf) { 2014 LValue LV = EmitLValue(UO->getSubExpr()); 2015 unsigned Align = LV.getAlignment().getQuantity(); 2016 if (!Align) { 2017 // FIXME: Once LValues are fixed to always set alignment, 2018 // zap this code. 2019 QualType PtTy = UO->getSubExpr()->getType(); 2020 if (!PtTy->isIncompleteType()) 2021 Align = getContext().getTypeAlignInChars(PtTy).getQuantity(); 2022 else 2023 Align = 1; 2024 } 2025 return std::make_pair(LV.getAddress(), Align); 2026 } 2027 } 2028 2029 unsigned Align = 1; 2030 QualType PtTy = Addr->getType()->getPointeeType(); 2031 if (!PtTy->isIncompleteType()) 2032 Align = getContext().getTypeAlignInChars(PtTy).getQuantity(); 2033 2034 return std::make_pair(EmitScalarExpr(Addr), Align); 2035 } 2036 2037 enum { 2038 AddRetType = (1 << 0), 2039 Add1ArgType = (1 << 1), 2040 Add2ArgTypes = (1 << 2), 2041 2042 VectorizeRetType = (1 << 3), 2043 VectorizeArgTypes = (1 << 4), 2044 2045 InventFloatType = (1 << 5), 2046 UnsignedAlts = (1 << 6), 2047 2048 Use64BitVectors = (1 << 7), 2049 Use128BitVectors = (1 << 8), 2050 2051 Vectorize1ArgType = Add1ArgType | VectorizeArgTypes, 2052 VectorRet = AddRetType | VectorizeRetType, 2053 VectorRetGetArgs01 = 2054 AddRetType | Add2ArgTypes | VectorizeRetType | VectorizeArgTypes, 2055 FpCmpzModifiers = 2056 AddRetType | VectorizeRetType | Add1ArgType | InventFloatType 2057 }; 2058 2059 struct NeonIntrinsicInfo { 2060 unsigned BuiltinID; 2061 unsigned LLVMIntrinsic; 2062 unsigned AltLLVMIntrinsic; 2063 const char *NameHint; 2064 unsigned TypeModifier; 2065 2066 bool operator<(unsigned RHSBuiltinID) const { 2067 return BuiltinID < RHSBuiltinID; 2068 } 2069 }; 2070 2071 #define NEONMAP0(NameBase) \ 2072 { NEON::BI__builtin_neon_ ## NameBase, 0, 0, #NameBase, 0 } 2073 2074 #define NEONMAP1(NameBase, LLVMIntrinsic, TypeModifier) \ 2075 { NEON:: BI__builtin_neon_ ## NameBase, \ 2076 Intrinsic::LLVMIntrinsic, 0, #NameBase, TypeModifier } 2077 2078 #define NEONMAP2(NameBase, LLVMIntrinsic, AltLLVMIntrinsic, TypeModifier) \ 2079 { NEON:: BI__builtin_neon_ ## NameBase, \ 2080 Intrinsic::LLVMIntrinsic, Intrinsic::AltLLVMIntrinsic, \ 2081 #NameBase, TypeModifier } 2082 2083 static NeonIntrinsicInfo ARMSIMDIntrinsicMap [] = { 2084 NEONMAP2(vabd_v, arm_neon_vabdu, arm_neon_vabds, Add1ArgType | UnsignedAlts), 2085 NEONMAP2(vabdq_v, arm_neon_vabdu, arm_neon_vabds, Add1ArgType | UnsignedAlts), 2086 NEONMAP1(vabs_v, arm_neon_vabs, 0), 2087 NEONMAP1(vabsq_v, arm_neon_vabs, 0), 2088 NEONMAP0(vaddhn_v), 2089 NEONMAP1(vaesdq_v, arm_neon_aesd, 0), 2090 NEONMAP1(vaeseq_v, arm_neon_aese, 0), 2091 NEONMAP1(vaesimcq_v, arm_neon_aesimc, 0), 2092 NEONMAP1(vaesmcq_v, arm_neon_aesmc, 0), 2093 NEONMAP1(vbsl_v, arm_neon_vbsl, AddRetType), 2094 NEONMAP1(vbslq_v, arm_neon_vbsl, AddRetType), 2095 NEONMAP1(vcage_v, arm_neon_vacge, 0), 2096 NEONMAP1(vcageq_v, arm_neon_vacge, 0), 2097 NEONMAP1(vcagt_v, arm_neon_vacgt, 0), 2098 NEONMAP1(vcagtq_v, arm_neon_vacgt, 0), 2099 NEONMAP1(vcale_v, arm_neon_vacge, 0), 2100 NEONMAP1(vcaleq_v, arm_neon_vacge, 0), 2101 NEONMAP1(vcalt_v, arm_neon_vacgt, 0), 2102 NEONMAP1(vcaltq_v, arm_neon_vacgt, 0), 2103 NEONMAP1(vcls_v, arm_neon_vcls, Add1ArgType), 2104 NEONMAP1(vclsq_v, arm_neon_vcls, Add1ArgType), 2105 NEONMAP1(vclz_v, ctlz, Add1ArgType), 2106 NEONMAP1(vclzq_v, ctlz, Add1ArgType), 2107 NEONMAP1(vcnt_v, ctpop, Add1ArgType), 2108 NEONMAP1(vcntq_v, ctpop, Add1ArgType), 2109 NEONMAP1(vcvt_f16_v, arm_neon_vcvtfp2hf, 0), 2110 NEONMAP1(vcvt_f32_f16, arm_neon_vcvthf2fp, 0), 2111 NEONMAP0(vcvt_f32_v), 2112 NEONMAP2(vcvt_n_f32_v, arm_neon_vcvtfxu2fp, arm_neon_vcvtfxs2fp, 0), 2113 NEONMAP1(vcvt_n_s32_v, arm_neon_vcvtfp2fxs, 0), 2114 NEONMAP1(vcvt_n_s64_v, arm_neon_vcvtfp2fxs, 0), 2115 NEONMAP1(vcvt_n_u32_v, arm_neon_vcvtfp2fxu, 0), 2116 NEONMAP1(vcvt_n_u64_v, arm_neon_vcvtfp2fxu, 0), 2117 NEONMAP0(vcvt_s32_v), 2118 NEONMAP0(vcvt_s64_v), 2119 NEONMAP0(vcvt_u32_v), 2120 NEONMAP0(vcvt_u64_v), 2121 NEONMAP1(vcvta_s32_v, arm_neon_vcvtas, 0), 2122 NEONMAP1(vcvta_s64_v, arm_neon_vcvtas, 0), 2123 NEONMAP1(vcvta_u32_v, arm_neon_vcvtau, 0), 2124 NEONMAP1(vcvta_u64_v, arm_neon_vcvtau, 0), 2125 NEONMAP1(vcvtaq_s32_v, arm_neon_vcvtas, 0), 2126 NEONMAP1(vcvtaq_s64_v, arm_neon_vcvtas, 0), 2127 NEONMAP1(vcvtaq_u32_v, arm_neon_vcvtau, 0), 2128 NEONMAP1(vcvtaq_u64_v, arm_neon_vcvtau, 0), 2129 NEONMAP1(vcvtm_s32_v, arm_neon_vcvtms, 0), 2130 NEONMAP1(vcvtm_s64_v, arm_neon_vcvtms, 0), 2131 NEONMAP1(vcvtm_u32_v, arm_neon_vcvtmu, 0), 2132 NEONMAP1(vcvtm_u64_v, arm_neon_vcvtmu, 0), 2133 NEONMAP1(vcvtmq_s32_v, arm_neon_vcvtms, 0), 2134 NEONMAP1(vcvtmq_s64_v, arm_neon_vcvtms, 0), 2135 NEONMAP1(vcvtmq_u32_v, arm_neon_vcvtmu, 0), 2136 NEONMAP1(vcvtmq_u64_v, arm_neon_vcvtmu, 0), 2137 NEONMAP1(vcvtn_s32_v, arm_neon_vcvtns, 0), 2138 NEONMAP1(vcvtn_s64_v, arm_neon_vcvtns, 0), 2139 NEONMAP1(vcvtn_u32_v, arm_neon_vcvtnu, 0), 2140 NEONMAP1(vcvtn_u64_v, arm_neon_vcvtnu, 0), 2141 NEONMAP1(vcvtnq_s32_v, arm_neon_vcvtns, 0), 2142 NEONMAP1(vcvtnq_s64_v, arm_neon_vcvtns, 0), 2143 NEONMAP1(vcvtnq_u32_v, arm_neon_vcvtnu, 0), 2144 NEONMAP1(vcvtnq_u64_v, arm_neon_vcvtnu, 0), 2145 NEONMAP1(vcvtp_s32_v, arm_neon_vcvtps, 0), 2146 NEONMAP1(vcvtp_s64_v, arm_neon_vcvtps, 0), 2147 NEONMAP1(vcvtp_u32_v, arm_neon_vcvtpu, 0), 2148 NEONMAP1(vcvtp_u64_v, arm_neon_vcvtpu, 0), 2149 NEONMAP1(vcvtpq_s32_v, arm_neon_vcvtps, 0), 2150 NEONMAP1(vcvtpq_s64_v, arm_neon_vcvtps, 0), 2151 NEONMAP1(vcvtpq_u32_v, arm_neon_vcvtpu, 0), 2152 NEONMAP1(vcvtpq_u64_v, arm_neon_vcvtpu, 0), 2153 NEONMAP0(vcvtq_f32_v), 2154 NEONMAP2(vcvtq_n_f32_v, arm_neon_vcvtfxu2fp, arm_neon_vcvtfxs2fp, 0), 2155 NEONMAP1(vcvtq_n_s32_v, arm_neon_vcvtfp2fxs, 0), 2156 NEONMAP1(vcvtq_n_s64_v, arm_neon_vcvtfp2fxs, 0), 2157 NEONMAP1(vcvtq_n_u32_v, arm_neon_vcvtfp2fxu, 0), 2158 NEONMAP1(vcvtq_n_u64_v, arm_neon_vcvtfp2fxu, 0), 2159 NEONMAP0(vcvtq_s32_v), 2160 NEONMAP0(vcvtq_s64_v), 2161 NEONMAP0(vcvtq_u32_v), 2162 NEONMAP0(vcvtq_u64_v), 2163 NEONMAP0(vext_v), 2164 NEONMAP0(vextq_v), 2165 NEONMAP0(vfma_v), 2166 NEONMAP0(vfmaq_v), 2167 NEONMAP2(vhadd_v, arm_neon_vhaddu, arm_neon_vhadds, Add1ArgType | UnsignedAlts), 2168 NEONMAP2(vhaddq_v, arm_neon_vhaddu, arm_neon_vhadds, Add1ArgType | UnsignedAlts), 2169 NEONMAP2(vhsub_v, arm_neon_vhsubu, arm_neon_vhsubs, Add1ArgType | UnsignedAlts), 2170 NEONMAP2(vhsubq_v, arm_neon_vhsubu, arm_neon_vhsubs, Add1ArgType | UnsignedAlts), 2171 NEONMAP0(vld1_dup_v), 2172 NEONMAP1(vld1_v, arm_neon_vld1, 0), 2173 NEONMAP0(vld1q_dup_v), 2174 NEONMAP1(vld1q_v, arm_neon_vld1, 0), 2175 NEONMAP1(vld2_lane_v, arm_neon_vld2lane, 0), 2176 NEONMAP1(vld2_v, arm_neon_vld2, 0), 2177 NEONMAP1(vld2q_lane_v, arm_neon_vld2lane, 0), 2178 NEONMAP1(vld2q_v, arm_neon_vld2, 0), 2179 NEONMAP1(vld3_lane_v, arm_neon_vld3lane, 0), 2180 NEONMAP1(vld3_v, arm_neon_vld3, 0), 2181 NEONMAP1(vld3q_lane_v, arm_neon_vld3lane, 0), 2182 NEONMAP1(vld3q_v, arm_neon_vld3, 0), 2183 NEONMAP1(vld4_lane_v, arm_neon_vld4lane, 0), 2184 NEONMAP1(vld4_v, arm_neon_vld4, 0), 2185 NEONMAP1(vld4q_lane_v, arm_neon_vld4lane, 0), 2186 NEONMAP1(vld4q_v, arm_neon_vld4, 0), 2187 NEONMAP2(vmax_v, arm_neon_vmaxu, arm_neon_vmaxs, Add1ArgType | UnsignedAlts), 2188 NEONMAP1(vmaxnm_v, arm_neon_vmaxnm, Add1ArgType), 2189 NEONMAP1(vmaxnmq_v, arm_neon_vmaxnm, Add1ArgType), 2190 NEONMAP2(vmaxq_v, arm_neon_vmaxu, arm_neon_vmaxs, Add1ArgType | UnsignedAlts), 2191 NEONMAP2(vmin_v, arm_neon_vminu, arm_neon_vmins, Add1ArgType | UnsignedAlts), 2192 NEONMAP1(vminnm_v, arm_neon_vminnm, Add1ArgType), 2193 NEONMAP1(vminnmq_v, arm_neon_vminnm, Add1ArgType), 2194 NEONMAP2(vminq_v, arm_neon_vminu, arm_neon_vmins, Add1ArgType | UnsignedAlts), 2195 NEONMAP0(vmovl_v), 2196 NEONMAP0(vmovn_v), 2197 NEONMAP1(vmul_v, arm_neon_vmulp, Add1ArgType), 2198 NEONMAP0(vmull_v), 2199 NEONMAP1(vmulq_v, arm_neon_vmulp, Add1ArgType), 2200 NEONMAP2(vpadal_v, arm_neon_vpadalu, arm_neon_vpadals, UnsignedAlts), 2201 NEONMAP2(vpadalq_v, arm_neon_vpadalu, arm_neon_vpadals, UnsignedAlts), 2202 NEONMAP1(vpadd_v, arm_neon_vpadd, Add1ArgType), 2203 NEONMAP2(vpaddl_v, arm_neon_vpaddlu, arm_neon_vpaddls, UnsignedAlts), 2204 NEONMAP2(vpaddlq_v, arm_neon_vpaddlu, arm_neon_vpaddls, UnsignedAlts), 2205 NEONMAP1(vpaddq_v, arm_neon_vpadd, Add1ArgType), 2206 NEONMAP2(vpmax_v, arm_neon_vpmaxu, arm_neon_vpmaxs, Add1ArgType | UnsignedAlts), 2207 NEONMAP2(vpmin_v, arm_neon_vpminu, arm_neon_vpmins, Add1ArgType | UnsignedAlts), 2208 NEONMAP1(vqabs_v, arm_neon_vqabs, Add1ArgType), 2209 NEONMAP1(vqabsq_v, arm_neon_vqabs, Add1ArgType), 2210 NEONMAP2(vqadd_v, arm_neon_vqaddu, arm_neon_vqadds, Add1ArgType | UnsignedAlts), 2211 NEONMAP2(vqaddq_v, arm_neon_vqaddu, arm_neon_vqadds, Add1ArgType | UnsignedAlts), 2212 NEONMAP2(vqdmlal_v, arm_neon_vqdmull, arm_neon_vqadds, 0), 2213 NEONMAP2(vqdmlsl_v, arm_neon_vqdmull, arm_neon_vqsubs, 0), 2214 NEONMAP1(vqdmulh_v, arm_neon_vqdmulh, Add1ArgType), 2215 NEONMAP1(vqdmulhq_v, arm_neon_vqdmulh, Add1ArgType), 2216 NEONMAP1(vqdmull_v, arm_neon_vqdmull, Add1ArgType), 2217 NEONMAP2(vqmovn_v, arm_neon_vqmovnu, arm_neon_vqmovns, Add1ArgType | UnsignedAlts), 2218 NEONMAP1(vqmovun_v, arm_neon_vqmovnsu, Add1ArgType), 2219 NEONMAP1(vqneg_v, arm_neon_vqneg, Add1ArgType), 2220 NEONMAP1(vqnegq_v, arm_neon_vqneg, Add1ArgType), 2221 NEONMAP1(vqrdmulh_v, arm_neon_vqrdmulh, Add1ArgType), 2222 NEONMAP1(vqrdmulhq_v, arm_neon_vqrdmulh, Add1ArgType), 2223 NEONMAP2(vqrshl_v, arm_neon_vqrshiftu, arm_neon_vqrshifts, Add1ArgType | UnsignedAlts), 2224 NEONMAP2(vqrshlq_v, arm_neon_vqrshiftu, arm_neon_vqrshifts, Add1ArgType | UnsignedAlts), 2225 NEONMAP2(vqshl_n_v, arm_neon_vqshiftu, arm_neon_vqshifts, UnsignedAlts), 2226 NEONMAP2(vqshl_v, arm_neon_vqshiftu, arm_neon_vqshifts, Add1ArgType | UnsignedAlts), 2227 NEONMAP2(vqshlq_n_v, arm_neon_vqshiftu, arm_neon_vqshifts, UnsignedAlts), 2228 NEONMAP2(vqshlq_v, arm_neon_vqshiftu, arm_neon_vqshifts, Add1ArgType | UnsignedAlts), 2229 NEONMAP1(vqshlu_n_v, arm_neon_vqshiftsu, 0), 2230 NEONMAP1(vqshluq_n_v, arm_neon_vqshiftsu, 0), 2231 NEONMAP2(vqsub_v, arm_neon_vqsubu, arm_neon_vqsubs, Add1ArgType | UnsignedAlts), 2232 NEONMAP2(vqsubq_v, arm_neon_vqsubu, arm_neon_vqsubs, Add1ArgType | UnsignedAlts), 2233 NEONMAP1(vraddhn_v, arm_neon_vraddhn, Add1ArgType), 2234 NEONMAP2(vrecpe_v, arm_neon_vrecpe, arm_neon_vrecpe, 0), 2235 NEONMAP2(vrecpeq_v, arm_neon_vrecpe, arm_neon_vrecpe, 0), 2236 NEONMAP1(vrecps_v, arm_neon_vrecps, Add1ArgType), 2237 NEONMAP1(vrecpsq_v, arm_neon_vrecps, Add1ArgType), 2238 NEONMAP2(vrhadd_v, arm_neon_vrhaddu, arm_neon_vrhadds, Add1ArgType | UnsignedAlts), 2239 NEONMAP2(vrhaddq_v, arm_neon_vrhaddu, arm_neon_vrhadds, Add1ArgType | UnsignedAlts), 2240 NEONMAP1(vrnd_v, arm_neon_vrintz, Add1ArgType), 2241 NEONMAP1(vrnda_v, arm_neon_vrinta, Add1ArgType), 2242 NEONMAP1(vrndaq_v, arm_neon_vrinta, Add1ArgType), 2243 NEONMAP1(vrndm_v, arm_neon_vrintm, Add1ArgType), 2244 NEONMAP1(vrndmq_v, arm_neon_vrintm, Add1ArgType), 2245 NEONMAP1(vrndn_v, arm_neon_vrintn, Add1ArgType), 2246 NEONMAP1(vrndnq_v, arm_neon_vrintn, Add1ArgType), 2247 NEONMAP1(vrndp_v, arm_neon_vrintp, Add1ArgType), 2248 NEONMAP1(vrndpq_v, arm_neon_vrintp, Add1ArgType), 2249 NEONMAP1(vrndq_v, arm_neon_vrintz, Add1ArgType), 2250 NEONMAP1(vrndx_v, arm_neon_vrintx, Add1ArgType), 2251 NEONMAP1(vrndxq_v, arm_neon_vrintx, Add1ArgType), 2252 NEONMAP2(vrshl_v, arm_neon_vrshiftu, arm_neon_vrshifts, Add1ArgType | UnsignedAlts), 2253 NEONMAP2(vrshlq_v, arm_neon_vrshiftu, arm_neon_vrshifts, Add1ArgType | UnsignedAlts), 2254 NEONMAP2(vrshr_n_v, arm_neon_vrshiftu, arm_neon_vrshifts, UnsignedAlts), 2255 NEONMAP2(vrshrq_n_v, arm_neon_vrshiftu, arm_neon_vrshifts, UnsignedAlts), 2256 NEONMAP2(vrsqrte_v, arm_neon_vrsqrte, arm_neon_vrsqrte, 0), 2257 NEONMAP2(vrsqrteq_v, arm_neon_vrsqrte, arm_neon_vrsqrte, 0), 2258 NEONMAP1(vrsqrts_v, arm_neon_vrsqrts, Add1ArgType), 2259 NEONMAP1(vrsqrtsq_v, arm_neon_vrsqrts, Add1ArgType), 2260 NEONMAP1(vrsubhn_v, arm_neon_vrsubhn, Add1ArgType), 2261 NEONMAP1(vsha1su0q_v, arm_neon_sha1su0, 0), 2262 NEONMAP1(vsha1su1q_v, arm_neon_sha1su1, 0), 2263 NEONMAP1(vsha256h2q_v, arm_neon_sha256h2, 0), 2264 NEONMAP1(vsha256hq_v, arm_neon_sha256h, 0), 2265 NEONMAP1(vsha256su0q_v, arm_neon_sha256su0, 0), 2266 NEONMAP1(vsha256su1q_v, arm_neon_sha256su1, 0), 2267 NEONMAP0(vshl_n_v), 2268 NEONMAP2(vshl_v, arm_neon_vshiftu, arm_neon_vshifts, Add1ArgType | UnsignedAlts), 2269 NEONMAP0(vshll_n_v), 2270 NEONMAP0(vshlq_n_v), 2271 NEONMAP2(vshlq_v, arm_neon_vshiftu, arm_neon_vshifts, Add1ArgType | UnsignedAlts), 2272 NEONMAP0(vshr_n_v), 2273 NEONMAP0(vshrn_n_v), 2274 NEONMAP0(vshrq_n_v), 2275 NEONMAP1(vst1_v, arm_neon_vst1, 0), 2276 NEONMAP1(vst1q_v, arm_neon_vst1, 0), 2277 NEONMAP1(vst2_lane_v, arm_neon_vst2lane, 0), 2278 NEONMAP1(vst2_v, arm_neon_vst2, 0), 2279 NEONMAP1(vst2q_lane_v, arm_neon_vst2lane, 0), 2280 NEONMAP1(vst2q_v, arm_neon_vst2, 0), 2281 NEONMAP1(vst3_lane_v, arm_neon_vst3lane, 0), 2282 NEONMAP1(vst3_v, arm_neon_vst3, 0), 2283 NEONMAP1(vst3q_lane_v, arm_neon_vst3lane, 0), 2284 NEONMAP1(vst3q_v, arm_neon_vst3, 0), 2285 NEONMAP1(vst4_lane_v, arm_neon_vst4lane, 0), 2286 NEONMAP1(vst4_v, arm_neon_vst4, 0), 2287 NEONMAP1(vst4q_lane_v, arm_neon_vst4lane, 0), 2288 NEONMAP1(vst4q_v, arm_neon_vst4, 0), 2289 NEONMAP0(vsubhn_v), 2290 NEONMAP0(vtrn_v), 2291 NEONMAP0(vtrnq_v), 2292 NEONMAP0(vtst_v), 2293 NEONMAP0(vtstq_v), 2294 NEONMAP0(vuzp_v), 2295 NEONMAP0(vuzpq_v), 2296 NEONMAP0(vzip_v), 2297 NEONMAP0(vzipq_v) 2298 }; 2299 2300 static NeonIntrinsicInfo AArch64SIMDIntrinsicMap[] = { 2301 NEONMAP1(vabs_v, aarch64_neon_abs, 0), 2302 NEONMAP1(vabsq_v, aarch64_neon_abs, 0), 2303 NEONMAP0(vaddhn_v), 2304 NEONMAP1(vaesdq_v, aarch64_crypto_aesd, 0), 2305 NEONMAP1(vaeseq_v, aarch64_crypto_aese, 0), 2306 NEONMAP1(vaesimcq_v, aarch64_crypto_aesimc, 0), 2307 NEONMAP1(vaesmcq_v, aarch64_crypto_aesmc, 0), 2308 NEONMAP1(vcage_v, aarch64_neon_facge, 0), 2309 NEONMAP1(vcageq_v, aarch64_neon_facge, 0), 2310 NEONMAP1(vcagt_v, aarch64_neon_facgt, 0), 2311 NEONMAP1(vcagtq_v, aarch64_neon_facgt, 0), 2312 NEONMAP1(vcale_v, aarch64_neon_facge, 0), 2313 NEONMAP1(vcaleq_v, aarch64_neon_facge, 0), 2314 NEONMAP1(vcalt_v, aarch64_neon_facgt, 0), 2315 NEONMAP1(vcaltq_v, aarch64_neon_facgt, 0), 2316 NEONMAP1(vcls_v, aarch64_neon_cls, Add1ArgType), 2317 NEONMAP1(vclsq_v, aarch64_neon_cls, Add1ArgType), 2318 NEONMAP1(vclz_v, ctlz, Add1ArgType), 2319 NEONMAP1(vclzq_v, ctlz, Add1ArgType), 2320 NEONMAP1(vcnt_v, ctpop, Add1ArgType), 2321 NEONMAP1(vcntq_v, ctpop, Add1ArgType), 2322 NEONMAP1(vcvt_f16_v, aarch64_neon_vcvtfp2hf, 0), 2323 NEONMAP1(vcvt_f32_f16, aarch64_neon_vcvthf2fp, 0), 2324 NEONMAP0(vcvt_f32_v), 2325 NEONMAP2(vcvt_n_f32_v, aarch64_neon_vcvtfxu2fp, aarch64_neon_vcvtfxs2fp, 0), 2326 NEONMAP2(vcvt_n_f64_v, aarch64_neon_vcvtfxu2fp, aarch64_neon_vcvtfxs2fp, 0), 2327 NEONMAP1(vcvt_n_s32_v, aarch64_neon_vcvtfp2fxs, 0), 2328 NEONMAP1(vcvt_n_s64_v, aarch64_neon_vcvtfp2fxs, 0), 2329 NEONMAP1(vcvt_n_u32_v, aarch64_neon_vcvtfp2fxu, 0), 2330 NEONMAP1(vcvt_n_u64_v, aarch64_neon_vcvtfp2fxu, 0), 2331 NEONMAP0(vcvtq_f32_v), 2332 NEONMAP2(vcvtq_n_f32_v, aarch64_neon_vcvtfxu2fp, aarch64_neon_vcvtfxs2fp, 0), 2333 NEONMAP2(vcvtq_n_f64_v, aarch64_neon_vcvtfxu2fp, aarch64_neon_vcvtfxs2fp, 0), 2334 NEONMAP1(vcvtq_n_s32_v, aarch64_neon_vcvtfp2fxs, 0), 2335 NEONMAP1(vcvtq_n_s64_v, aarch64_neon_vcvtfp2fxs, 0), 2336 NEONMAP1(vcvtq_n_u32_v, aarch64_neon_vcvtfp2fxu, 0), 2337 NEONMAP1(vcvtq_n_u64_v, aarch64_neon_vcvtfp2fxu, 0), 2338 NEONMAP1(vcvtx_f32_v, aarch64_neon_fcvtxn, AddRetType | Add1ArgType), 2339 NEONMAP0(vext_v), 2340 NEONMAP0(vextq_v), 2341 NEONMAP0(vfma_v), 2342 NEONMAP0(vfmaq_v), 2343 NEONMAP2(vhadd_v, aarch64_neon_uhadd, aarch64_neon_shadd, Add1ArgType | UnsignedAlts), 2344 NEONMAP2(vhaddq_v, aarch64_neon_uhadd, aarch64_neon_shadd, Add1ArgType | UnsignedAlts), 2345 NEONMAP2(vhsub_v, aarch64_neon_uhsub, aarch64_neon_shsub, Add1ArgType | UnsignedAlts), 2346 NEONMAP2(vhsubq_v, aarch64_neon_uhsub, aarch64_neon_shsub, Add1ArgType | UnsignedAlts), 2347 NEONMAP0(vmovl_v), 2348 NEONMAP0(vmovn_v), 2349 NEONMAP1(vmul_v, aarch64_neon_pmul, Add1ArgType), 2350 NEONMAP1(vmulq_v, aarch64_neon_pmul, Add1ArgType), 2351 NEONMAP1(vpadd_v, aarch64_neon_addp, Add1ArgType), 2352 NEONMAP2(vpaddl_v, aarch64_neon_uaddlp, aarch64_neon_saddlp, UnsignedAlts), 2353 NEONMAP2(vpaddlq_v, aarch64_neon_uaddlp, aarch64_neon_saddlp, UnsignedAlts), 2354 NEONMAP1(vpaddq_v, aarch64_neon_addp, Add1ArgType), 2355 NEONMAP1(vqabs_v, aarch64_neon_sqabs, Add1ArgType), 2356 NEONMAP1(vqabsq_v, aarch64_neon_sqabs, Add1ArgType), 2357 NEONMAP2(vqadd_v, aarch64_neon_uqadd, aarch64_neon_sqadd, Add1ArgType | UnsignedAlts), 2358 NEONMAP2(vqaddq_v, aarch64_neon_uqadd, aarch64_neon_sqadd, Add1ArgType | UnsignedAlts), 2359 NEONMAP2(vqdmlal_v, aarch64_neon_sqdmull, aarch64_neon_sqadd, 0), 2360 NEONMAP2(vqdmlsl_v, aarch64_neon_sqdmull, aarch64_neon_sqsub, 0), 2361 NEONMAP1(vqdmulh_v, aarch64_neon_sqdmulh, Add1ArgType), 2362 NEONMAP1(vqdmulhq_v, aarch64_neon_sqdmulh, Add1ArgType), 2363 NEONMAP1(vqdmull_v, aarch64_neon_sqdmull, Add1ArgType), 2364 NEONMAP2(vqmovn_v, aarch64_neon_uqxtn, aarch64_neon_sqxtn, Add1ArgType | UnsignedAlts), 2365 NEONMAP1(vqmovun_v, aarch64_neon_sqxtun, Add1ArgType), 2366 NEONMAP1(vqneg_v, aarch64_neon_sqneg, Add1ArgType), 2367 NEONMAP1(vqnegq_v, aarch64_neon_sqneg, Add1ArgType), 2368 NEONMAP1(vqrdmulh_v, aarch64_neon_sqrdmulh, Add1ArgType), 2369 NEONMAP1(vqrdmulhq_v, aarch64_neon_sqrdmulh, Add1ArgType), 2370 NEONMAP2(vqrshl_v, aarch64_neon_uqrshl, aarch64_neon_sqrshl, Add1ArgType | UnsignedAlts), 2371 NEONMAP2(vqrshlq_v, aarch64_neon_uqrshl, aarch64_neon_sqrshl, Add1ArgType | UnsignedAlts), 2372 NEONMAP2(vqshl_n_v, aarch64_neon_uqshl, aarch64_neon_sqshl, UnsignedAlts), 2373 NEONMAP2(vqshl_v, aarch64_neon_uqshl, aarch64_neon_sqshl, Add1ArgType | UnsignedAlts), 2374 NEONMAP2(vqshlq_n_v, aarch64_neon_uqshl, aarch64_neon_sqshl,UnsignedAlts), 2375 NEONMAP2(vqshlq_v, aarch64_neon_uqshl, aarch64_neon_sqshl, Add1ArgType | UnsignedAlts), 2376 NEONMAP1(vqshlu_n_v, aarch64_neon_sqshlu, 0), 2377 NEONMAP1(vqshluq_n_v, aarch64_neon_sqshlu, 0), 2378 NEONMAP2(vqsub_v, aarch64_neon_uqsub, aarch64_neon_sqsub, Add1ArgType | UnsignedAlts), 2379 NEONMAP2(vqsubq_v, aarch64_neon_uqsub, aarch64_neon_sqsub, Add1ArgType | UnsignedAlts), 2380 NEONMAP1(vraddhn_v, aarch64_neon_raddhn, Add1ArgType), 2381 NEONMAP2(vrecpe_v, aarch64_neon_frecpe, aarch64_neon_urecpe, 0), 2382 NEONMAP2(vrecpeq_v, aarch64_neon_frecpe, aarch64_neon_urecpe, 0), 2383 NEONMAP1(vrecps_v, aarch64_neon_frecps, Add1ArgType), 2384 NEONMAP1(vrecpsq_v, aarch64_neon_frecps, Add1ArgType), 2385 NEONMAP2(vrhadd_v, aarch64_neon_urhadd, aarch64_neon_srhadd, Add1ArgType | UnsignedAlts), 2386 NEONMAP2(vrhaddq_v, aarch64_neon_urhadd, aarch64_neon_srhadd, Add1ArgType | UnsignedAlts), 2387 NEONMAP2(vrshl_v, aarch64_neon_urshl, aarch64_neon_srshl, Add1ArgType | UnsignedAlts), 2388 NEONMAP2(vrshlq_v, aarch64_neon_urshl, aarch64_neon_srshl, Add1ArgType | UnsignedAlts), 2389 NEONMAP2(vrshr_n_v, aarch64_neon_urshl, aarch64_neon_srshl, UnsignedAlts), 2390 NEONMAP2(vrshrq_n_v, aarch64_neon_urshl, aarch64_neon_srshl, UnsignedAlts), 2391 NEONMAP2(vrsqrte_v, aarch64_neon_frsqrte, aarch64_neon_ursqrte, 0), 2392 NEONMAP2(vrsqrteq_v, aarch64_neon_frsqrte, aarch64_neon_ursqrte, 0), 2393 NEONMAP1(vrsqrts_v, aarch64_neon_frsqrts, Add1ArgType), 2394 NEONMAP1(vrsqrtsq_v, aarch64_neon_frsqrts, Add1ArgType), 2395 NEONMAP1(vrsubhn_v, aarch64_neon_rsubhn, Add1ArgType), 2396 NEONMAP1(vsha1su0q_v, aarch64_crypto_sha1su0, 0), 2397 NEONMAP1(vsha1su1q_v, aarch64_crypto_sha1su1, 0), 2398 NEONMAP1(vsha256h2q_v, aarch64_crypto_sha256h2, 0), 2399 NEONMAP1(vsha256hq_v, aarch64_crypto_sha256h, 0), 2400 NEONMAP1(vsha256su0q_v, aarch64_crypto_sha256su0, 0), 2401 NEONMAP1(vsha256su1q_v, aarch64_crypto_sha256su1, 0), 2402 NEONMAP0(vshl_n_v), 2403 NEONMAP2(vshl_v, aarch64_neon_ushl, aarch64_neon_sshl, Add1ArgType | UnsignedAlts), 2404 NEONMAP0(vshll_n_v), 2405 NEONMAP0(vshlq_n_v), 2406 NEONMAP2(vshlq_v, aarch64_neon_ushl, aarch64_neon_sshl, Add1ArgType | UnsignedAlts), 2407 NEONMAP0(vshr_n_v), 2408 NEONMAP0(vshrn_n_v), 2409 NEONMAP0(vshrq_n_v), 2410 NEONMAP0(vsubhn_v), 2411 NEONMAP0(vtst_v), 2412 NEONMAP0(vtstq_v), 2413 }; 2414 2415 static NeonIntrinsicInfo AArch64SISDIntrinsicMap[] = { 2416 NEONMAP1(vabdd_f64, aarch64_sisd_fabd, Add1ArgType), 2417 NEONMAP1(vabds_f32, aarch64_sisd_fabd, Add1ArgType), 2418 NEONMAP1(vabsd_s64, aarch64_neon_abs, Add1ArgType), 2419 NEONMAP1(vaddlv_s32, aarch64_neon_saddlv, AddRetType | Add1ArgType), 2420 NEONMAP1(vaddlv_u32, aarch64_neon_uaddlv, AddRetType | Add1ArgType), 2421 NEONMAP1(vaddlvq_s32, aarch64_neon_saddlv, AddRetType | Add1ArgType), 2422 NEONMAP1(vaddlvq_u32, aarch64_neon_uaddlv, AddRetType | Add1ArgType), 2423 NEONMAP1(vaddv_f32, aarch64_neon_faddv, AddRetType | Add1ArgType), 2424 NEONMAP1(vaddv_s32, aarch64_neon_saddv, AddRetType | Add1ArgType), 2425 NEONMAP1(vaddv_u32, aarch64_neon_uaddv, AddRetType | Add1ArgType), 2426 NEONMAP1(vaddvq_f32, aarch64_neon_faddv, AddRetType | Add1ArgType), 2427 NEONMAP1(vaddvq_f64, aarch64_neon_faddv, AddRetType | Add1ArgType), 2428 NEONMAP1(vaddvq_s32, aarch64_neon_saddv, AddRetType | Add1ArgType), 2429 NEONMAP1(vaddvq_s64, aarch64_neon_saddv, AddRetType | Add1ArgType), 2430 NEONMAP1(vaddvq_u32, aarch64_neon_uaddv, AddRetType | Add1ArgType), 2431 NEONMAP1(vaddvq_u64, aarch64_neon_uaddv, AddRetType | Add1ArgType), 2432 NEONMAP1(vcaged_f64, aarch64_neon_facge, AddRetType | Add1ArgType), 2433 NEONMAP1(vcages_f32, aarch64_neon_facge, AddRetType | Add1ArgType), 2434 NEONMAP1(vcagtd_f64, aarch64_neon_facgt, AddRetType | Add1ArgType), 2435 NEONMAP1(vcagts_f32, aarch64_neon_facgt, AddRetType | Add1ArgType), 2436 NEONMAP1(vcaled_f64, aarch64_neon_facge, AddRetType | Add1ArgType), 2437 NEONMAP1(vcales_f32, aarch64_neon_facge, AddRetType | Add1ArgType), 2438 NEONMAP1(vcaltd_f64, aarch64_neon_facgt, AddRetType | Add1ArgType), 2439 NEONMAP1(vcalts_f32, aarch64_neon_facgt, AddRetType | Add1ArgType), 2440 NEONMAP1(vcvtad_s64_f64, aarch64_neon_fcvtas, AddRetType | Add1ArgType), 2441 NEONMAP1(vcvtad_u64_f64, aarch64_neon_fcvtau, AddRetType | Add1ArgType), 2442 NEONMAP1(vcvtas_s32_f32, aarch64_neon_fcvtas, AddRetType | Add1ArgType), 2443 NEONMAP1(vcvtas_u32_f32, aarch64_neon_fcvtau, AddRetType | Add1ArgType), 2444 NEONMAP1(vcvtd_n_f64_s64, aarch64_neon_vcvtfxs2fp, AddRetType | Add1ArgType), 2445 NEONMAP1(vcvtd_n_f64_u64, aarch64_neon_vcvtfxu2fp, AddRetType | Add1ArgType), 2446 NEONMAP1(vcvtd_n_s64_f64, aarch64_neon_vcvtfp2fxs, AddRetType | Add1ArgType), 2447 NEONMAP1(vcvtd_n_u64_f64, aarch64_neon_vcvtfp2fxu, AddRetType | Add1ArgType), 2448 NEONMAP1(vcvtmd_s64_f64, aarch64_neon_fcvtms, AddRetType | Add1ArgType), 2449 NEONMAP1(vcvtmd_u64_f64, aarch64_neon_fcvtmu, AddRetType | Add1ArgType), 2450 NEONMAP1(vcvtms_s32_f32, aarch64_neon_fcvtms, AddRetType | Add1ArgType), 2451 NEONMAP1(vcvtms_u32_f32, aarch64_neon_fcvtmu, AddRetType | Add1ArgType), 2452 NEONMAP1(vcvtnd_s64_f64, aarch64_neon_fcvtns, AddRetType | Add1ArgType), 2453 NEONMAP1(vcvtnd_u64_f64, aarch64_neon_fcvtnu, AddRetType | Add1ArgType), 2454 NEONMAP1(vcvtns_s32_f32, aarch64_neon_fcvtns, AddRetType | Add1ArgType), 2455 NEONMAP1(vcvtns_u32_f32, aarch64_neon_fcvtnu, AddRetType | Add1ArgType), 2456 NEONMAP1(vcvtpd_s64_f64, aarch64_neon_fcvtps, AddRetType | Add1ArgType), 2457 NEONMAP1(vcvtpd_u64_f64, aarch64_neon_fcvtpu, AddRetType | Add1ArgType), 2458 NEONMAP1(vcvtps_s32_f32, aarch64_neon_fcvtps, AddRetType | Add1ArgType), 2459 NEONMAP1(vcvtps_u32_f32, aarch64_neon_fcvtpu, AddRetType | Add1ArgType), 2460 NEONMAP1(vcvts_n_f32_s32, aarch64_neon_vcvtfxs2fp, AddRetType | Add1ArgType), 2461 NEONMAP1(vcvts_n_f32_u32, aarch64_neon_vcvtfxu2fp, AddRetType | Add1ArgType), 2462 NEONMAP1(vcvts_n_s32_f32, aarch64_neon_vcvtfp2fxs, AddRetType | Add1ArgType), 2463 NEONMAP1(vcvts_n_u32_f32, aarch64_neon_vcvtfp2fxu, AddRetType | Add1ArgType), 2464 NEONMAP1(vcvtxd_f32_f64, aarch64_sisd_fcvtxn, 0), 2465 NEONMAP1(vmaxnmv_f32, aarch64_neon_fmaxnmv, AddRetType | Add1ArgType), 2466 NEONMAP1(vmaxnmvq_f32, aarch64_neon_fmaxnmv, AddRetType | Add1ArgType), 2467 NEONMAP1(vmaxnmvq_f64, aarch64_neon_fmaxnmv, AddRetType | Add1ArgType), 2468 NEONMAP1(vmaxv_f32, aarch64_neon_fmaxv, AddRetType | Add1ArgType), 2469 NEONMAP1(vmaxv_s32, aarch64_neon_smaxv, AddRetType | Add1ArgType), 2470 NEONMAP1(vmaxv_u32, aarch64_neon_umaxv, AddRetType | Add1ArgType), 2471 NEONMAP1(vmaxvq_f32, aarch64_neon_fmaxv, AddRetType | Add1ArgType), 2472 NEONMAP1(vmaxvq_f64, aarch64_neon_fmaxv, AddRetType | Add1ArgType), 2473 NEONMAP1(vmaxvq_s32, aarch64_neon_smaxv, AddRetType | Add1ArgType), 2474 NEONMAP1(vmaxvq_u32, aarch64_neon_umaxv, AddRetType | Add1ArgType), 2475 NEONMAP1(vminnmv_f32, aarch64_neon_fminnmv, AddRetType | Add1ArgType), 2476 NEONMAP1(vminnmvq_f32, aarch64_neon_fminnmv, AddRetType | Add1ArgType), 2477 NEONMAP1(vminnmvq_f64, aarch64_neon_fminnmv, AddRetType | Add1ArgType), 2478 NEONMAP1(vminv_f32, aarch64_neon_fminv, AddRetType | Add1ArgType), 2479 NEONMAP1(vminv_s32, aarch64_neon_sminv, AddRetType | Add1ArgType), 2480 NEONMAP1(vminv_u32, aarch64_neon_uminv, AddRetType | Add1ArgType), 2481 NEONMAP1(vminvq_f32, aarch64_neon_fminv, AddRetType | Add1ArgType), 2482 NEONMAP1(vminvq_f64, aarch64_neon_fminv, AddRetType | Add1ArgType), 2483 NEONMAP1(vminvq_s32, aarch64_neon_sminv, AddRetType | Add1ArgType), 2484 NEONMAP1(vminvq_u32, aarch64_neon_uminv, AddRetType | Add1ArgType), 2485 NEONMAP1(vmull_p64, aarch64_neon_pmull64, 0), 2486 NEONMAP1(vmulxd_f64, aarch64_neon_fmulx, Add1ArgType), 2487 NEONMAP1(vmulxs_f32, aarch64_neon_fmulx, Add1ArgType), 2488 NEONMAP1(vpaddd_s64, aarch64_neon_uaddv, AddRetType | Add1ArgType), 2489 NEONMAP1(vpaddd_u64, aarch64_neon_uaddv, AddRetType | Add1ArgType), 2490 NEONMAP1(vpmaxnmqd_f64, aarch64_neon_fmaxnmv, AddRetType | Add1ArgType), 2491 NEONMAP1(vpmaxnms_f32, aarch64_neon_fmaxnmv, AddRetType | Add1ArgType), 2492 NEONMAP1(vpmaxqd_f64, aarch64_neon_fmaxv, AddRetType | Add1ArgType), 2493 NEONMAP1(vpmaxs_f32, aarch64_neon_fmaxv, AddRetType | Add1ArgType), 2494 NEONMAP1(vpminnmqd_f64, aarch64_neon_fminnmv, AddRetType | Add1ArgType), 2495 NEONMAP1(vpminnms_f32, aarch64_neon_fminnmv, AddRetType | Add1ArgType), 2496 NEONMAP1(vpminqd_f64, aarch64_neon_fminv, AddRetType | Add1ArgType), 2497 NEONMAP1(vpmins_f32, aarch64_neon_fminv, AddRetType | Add1ArgType), 2498 NEONMAP1(vqabsb_s8, aarch64_neon_sqabs, Vectorize1ArgType | Use64BitVectors), 2499 NEONMAP1(vqabsd_s64, aarch64_neon_sqabs, Add1ArgType), 2500 NEONMAP1(vqabsh_s16, aarch64_neon_sqabs, Vectorize1ArgType | Use64BitVectors), 2501 NEONMAP1(vqabss_s32, aarch64_neon_sqabs, Add1ArgType), 2502 NEONMAP1(vqaddb_s8, aarch64_neon_sqadd, Vectorize1ArgType | Use64BitVectors), 2503 NEONMAP1(vqaddb_u8, aarch64_neon_uqadd, Vectorize1ArgType | Use64BitVectors), 2504 NEONMAP1(vqaddd_s64, aarch64_neon_sqadd, Add1ArgType), 2505 NEONMAP1(vqaddd_u64, aarch64_neon_uqadd, Add1ArgType), 2506 NEONMAP1(vqaddh_s16, aarch64_neon_sqadd, Vectorize1ArgType | Use64BitVectors), 2507 NEONMAP1(vqaddh_u16, aarch64_neon_uqadd, Vectorize1ArgType | Use64BitVectors), 2508 NEONMAP1(vqadds_s32, aarch64_neon_sqadd, Add1ArgType), 2509 NEONMAP1(vqadds_u32, aarch64_neon_uqadd, Add1ArgType), 2510 NEONMAP1(vqdmulhh_s16, aarch64_neon_sqdmulh, Vectorize1ArgType | Use64BitVectors), 2511 NEONMAP1(vqdmulhs_s32, aarch64_neon_sqdmulh, Add1ArgType), 2512 NEONMAP1(vqdmullh_s16, aarch64_neon_sqdmull, VectorRet | Use128BitVectors), 2513 NEONMAP1(vqdmulls_s32, aarch64_neon_sqdmulls_scalar, 0), 2514 NEONMAP1(vqmovnd_s64, aarch64_neon_scalar_sqxtn, AddRetType | Add1ArgType), 2515 NEONMAP1(vqmovnd_u64, aarch64_neon_scalar_uqxtn, AddRetType | Add1ArgType), 2516 NEONMAP1(vqmovnh_s16, aarch64_neon_sqxtn, VectorRet | Use64BitVectors), 2517 NEONMAP1(vqmovnh_u16, aarch64_neon_uqxtn, VectorRet | Use64BitVectors), 2518 NEONMAP1(vqmovns_s32, aarch64_neon_sqxtn, VectorRet | Use64BitVectors), 2519 NEONMAP1(vqmovns_u32, aarch64_neon_uqxtn, VectorRet | Use64BitVectors), 2520 NEONMAP1(vqmovund_s64, aarch64_neon_scalar_sqxtun, AddRetType | Add1ArgType), 2521 NEONMAP1(vqmovunh_s16, aarch64_neon_sqxtun, VectorRet | Use64BitVectors), 2522 NEONMAP1(vqmovuns_s32, aarch64_neon_sqxtun, VectorRet | Use64BitVectors), 2523 NEONMAP1(vqnegb_s8, aarch64_neon_sqneg, Vectorize1ArgType | Use64BitVectors), 2524 NEONMAP1(vqnegd_s64, aarch64_neon_sqneg, Add1ArgType), 2525 NEONMAP1(vqnegh_s16, aarch64_neon_sqneg, Vectorize1ArgType | Use64BitVectors), 2526 NEONMAP1(vqnegs_s32, aarch64_neon_sqneg, Add1ArgType), 2527 NEONMAP1(vqrdmulhh_s16, aarch64_neon_sqrdmulh, Vectorize1ArgType | Use64BitVectors), 2528 NEONMAP1(vqrdmulhs_s32, aarch64_neon_sqrdmulh, Add1ArgType), 2529 NEONMAP1(vqrshlb_s8, aarch64_neon_sqrshl, Vectorize1ArgType | Use64BitVectors), 2530 NEONMAP1(vqrshlb_u8, aarch64_neon_uqrshl, Vectorize1ArgType | Use64BitVectors), 2531 NEONMAP1(vqrshld_s64, aarch64_neon_sqrshl, Add1ArgType), 2532 NEONMAP1(vqrshld_u64, aarch64_neon_uqrshl, Add1ArgType), 2533 NEONMAP1(vqrshlh_s16, aarch64_neon_sqrshl, Vectorize1ArgType | Use64BitVectors), 2534 NEONMAP1(vqrshlh_u16, aarch64_neon_uqrshl, Vectorize1ArgType | Use64BitVectors), 2535 NEONMAP1(vqrshls_s32, aarch64_neon_sqrshl, Add1ArgType), 2536 NEONMAP1(vqrshls_u32, aarch64_neon_uqrshl, Add1ArgType), 2537 NEONMAP1(vqrshrnd_n_s64, aarch64_neon_sqrshrn, AddRetType), 2538 NEONMAP1(vqrshrnd_n_u64, aarch64_neon_uqrshrn, AddRetType), 2539 NEONMAP1(vqrshrnh_n_s16, aarch64_neon_sqrshrn, VectorRet | Use64BitVectors), 2540 NEONMAP1(vqrshrnh_n_u16, aarch64_neon_uqrshrn, VectorRet | Use64BitVectors), 2541 NEONMAP1(vqrshrns_n_s32, aarch64_neon_sqrshrn, VectorRet | Use64BitVectors), 2542 NEONMAP1(vqrshrns_n_u32, aarch64_neon_uqrshrn, VectorRet | Use64BitVectors), 2543 NEONMAP1(vqrshrund_n_s64, aarch64_neon_sqrshrun, AddRetType), 2544 NEONMAP1(vqrshrunh_n_s16, aarch64_neon_sqrshrun, VectorRet | Use64BitVectors), 2545 NEONMAP1(vqrshruns_n_s32, aarch64_neon_sqrshrun, VectorRet | Use64BitVectors), 2546 NEONMAP1(vqshlb_n_s8, aarch64_neon_sqshl, Vectorize1ArgType | Use64BitVectors), 2547 NEONMAP1(vqshlb_n_u8, aarch64_neon_uqshl, Vectorize1ArgType | Use64BitVectors), 2548 NEONMAP1(vqshlb_s8, aarch64_neon_sqshl, Vectorize1ArgType | Use64BitVectors), 2549 NEONMAP1(vqshlb_u8, aarch64_neon_uqshl, Vectorize1ArgType | Use64BitVectors), 2550 NEONMAP1(vqshld_s64, aarch64_neon_sqshl, Add1ArgType), 2551 NEONMAP1(vqshld_u64, aarch64_neon_uqshl, Add1ArgType), 2552 NEONMAP1(vqshlh_n_s16, aarch64_neon_sqshl, Vectorize1ArgType | Use64BitVectors), 2553 NEONMAP1(vqshlh_n_u16, aarch64_neon_uqshl, Vectorize1ArgType | Use64BitVectors), 2554 NEONMAP1(vqshlh_s16, aarch64_neon_sqshl, Vectorize1ArgType | Use64BitVectors), 2555 NEONMAP1(vqshlh_u16, aarch64_neon_uqshl, Vectorize1ArgType | Use64BitVectors), 2556 NEONMAP1(vqshls_n_s32, aarch64_neon_sqshl, Add1ArgType), 2557 NEONMAP1(vqshls_n_u32, aarch64_neon_uqshl, Add1ArgType), 2558 NEONMAP1(vqshls_s32, aarch64_neon_sqshl, Add1ArgType), 2559 NEONMAP1(vqshls_u32, aarch64_neon_uqshl, Add1ArgType), 2560 NEONMAP1(vqshlub_n_s8, aarch64_neon_sqshlu, Vectorize1ArgType | Use64BitVectors), 2561 NEONMAP1(vqshluh_n_s16, aarch64_neon_sqshlu, Vectorize1ArgType | Use64BitVectors), 2562 NEONMAP1(vqshlus_n_s32, aarch64_neon_sqshlu, Add1ArgType), 2563 NEONMAP1(vqshrnd_n_s64, aarch64_neon_sqshrn, AddRetType), 2564 NEONMAP1(vqshrnd_n_u64, aarch64_neon_uqshrn, AddRetType), 2565 NEONMAP1(vqshrnh_n_s16, aarch64_neon_sqshrn, VectorRet | Use64BitVectors), 2566 NEONMAP1(vqshrnh_n_u16, aarch64_neon_uqshrn, VectorRet | Use64BitVectors), 2567 NEONMAP1(vqshrns_n_s32, aarch64_neon_sqshrn, VectorRet | Use64BitVectors), 2568 NEONMAP1(vqshrns_n_u32, aarch64_neon_uqshrn, VectorRet | Use64BitVectors), 2569 NEONMAP1(vqshrund_n_s64, aarch64_neon_sqshrun, AddRetType), 2570 NEONMAP1(vqshrunh_n_s16, aarch64_neon_sqshrun, VectorRet | Use64BitVectors), 2571 NEONMAP1(vqshruns_n_s32, aarch64_neon_sqshrun, VectorRet | Use64BitVectors), 2572 NEONMAP1(vqsubb_s8, aarch64_neon_sqsub, Vectorize1ArgType | Use64BitVectors), 2573 NEONMAP1(vqsubb_u8, aarch64_neon_uqsub, Vectorize1ArgType | Use64BitVectors), 2574 NEONMAP1(vqsubd_s64, aarch64_neon_sqsub, Add1ArgType), 2575 NEONMAP1(vqsubd_u64, aarch64_neon_uqsub, Add1ArgType), 2576 NEONMAP1(vqsubh_s16, aarch64_neon_sqsub, Vectorize1ArgType | Use64BitVectors), 2577 NEONMAP1(vqsubh_u16, aarch64_neon_uqsub, Vectorize1ArgType | Use64BitVectors), 2578 NEONMAP1(vqsubs_s32, aarch64_neon_sqsub, Add1ArgType), 2579 NEONMAP1(vqsubs_u32, aarch64_neon_uqsub, Add1ArgType), 2580 NEONMAP1(vrecped_f64, aarch64_neon_frecpe, Add1ArgType), 2581 NEONMAP1(vrecpes_f32, aarch64_neon_frecpe, Add1ArgType), 2582 NEONMAP1(vrecpxd_f64, aarch64_neon_frecpx, Add1ArgType), 2583 NEONMAP1(vrecpxs_f32, aarch64_neon_frecpx, Add1ArgType), 2584 NEONMAP1(vrshld_s64, aarch64_neon_srshl, Add1ArgType), 2585 NEONMAP1(vrshld_u64, aarch64_neon_urshl, Add1ArgType), 2586 NEONMAP1(vrsqrted_f64, aarch64_neon_frsqrte, Add1ArgType), 2587 NEONMAP1(vrsqrtes_f32, aarch64_neon_frsqrte, Add1ArgType), 2588 NEONMAP1(vrsqrtsd_f64, aarch64_neon_frsqrts, Add1ArgType), 2589 NEONMAP1(vrsqrtss_f32, aarch64_neon_frsqrts, Add1ArgType), 2590 NEONMAP1(vsha1cq_u32, aarch64_crypto_sha1c, 0), 2591 NEONMAP1(vsha1h_u32, aarch64_crypto_sha1h, 0), 2592 NEONMAP1(vsha1mq_u32, aarch64_crypto_sha1m, 0), 2593 NEONMAP1(vsha1pq_u32, aarch64_crypto_sha1p, 0), 2594 NEONMAP1(vshld_s64, aarch64_neon_sshl, Add1ArgType), 2595 NEONMAP1(vshld_u64, aarch64_neon_ushl, Add1ArgType), 2596 NEONMAP1(vslid_n_s64, aarch64_neon_vsli, Vectorize1ArgType), 2597 NEONMAP1(vslid_n_u64, aarch64_neon_vsli, Vectorize1ArgType), 2598 NEONMAP1(vsqaddb_u8, aarch64_neon_usqadd, Vectorize1ArgType | Use64BitVectors), 2599 NEONMAP1(vsqaddd_u64, aarch64_neon_usqadd, Add1ArgType), 2600 NEONMAP1(vsqaddh_u16, aarch64_neon_usqadd, Vectorize1ArgType | Use64BitVectors), 2601 NEONMAP1(vsqadds_u32, aarch64_neon_usqadd, Add1ArgType), 2602 NEONMAP1(vsrid_n_s64, aarch64_neon_vsri, Vectorize1ArgType), 2603 NEONMAP1(vsrid_n_u64, aarch64_neon_vsri, Vectorize1ArgType), 2604 NEONMAP1(vuqaddb_s8, aarch64_neon_suqadd, Vectorize1ArgType | Use64BitVectors), 2605 NEONMAP1(vuqaddd_s64, aarch64_neon_suqadd, Add1ArgType), 2606 NEONMAP1(vuqaddh_s16, aarch64_neon_suqadd, Vectorize1ArgType | Use64BitVectors), 2607 NEONMAP1(vuqadds_s32, aarch64_neon_suqadd, Add1ArgType), 2608 }; 2609 2610 #undef NEONMAP0 2611 #undef NEONMAP1 2612 #undef NEONMAP2 2613 2614 static bool NEONSIMDIntrinsicsProvenSorted = false; 2615 2616 static bool AArch64SIMDIntrinsicsProvenSorted = false; 2617 static bool AArch64SISDIntrinsicsProvenSorted = false; 2618 2619 2620 static const NeonIntrinsicInfo * 2621 findNeonIntrinsicInMap(ArrayRef<NeonIntrinsicInfo> IntrinsicMap, 2622 unsigned BuiltinID, bool &MapProvenSorted) { 2623 2624 #ifndef NDEBUG 2625 if (!MapProvenSorted) { 2626 // FIXME: use std::is_sorted once C++11 is allowed 2627 for (unsigned i = 0; i < IntrinsicMap.size() - 1; ++i) 2628 assert(IntrinsicMap[i].BuiltinID <= IntrinsicMap[i + 1].BuiltinID); 2629 MapProvenSorted = true; 2630 } 2631 #endif 2632 2633 const NeonIntrinsicInfo *Builtin = 2634 std::lower_bound(IntrinsicMap.begin(), IntrinsicMap.end(), BuiltinID); 2635 2636 if (Builtin != IntrinsicMap.end() && Builtin->BuiltinID == BuiltinID) 2637 return Builtin; 2638 2639 return nullptr; 2640 } 2641 2642 Function *CodeGenFunction::LookupNeonLLVMIntrinsic(unsigned IntrinsicID, 2643 unsigned Modifier, 2644 llvm::Type *ArgType, 2645 const CallExpr *E) { 2646 int VectorSize = 0; 2647 if (Modifier & Use64BitVectors) 2648 VectorSize = 64; 2649 else if (Modifier & Use128BitVectors) 2650 VectorSize = 128; 2651 2652 // Return type. 2653 SmallVector<llvm::Type *, 3> Tys; 2654 if (Modifier & AddRetType) { 2655 llvm::Type *Ty = ConvertType(E->getCallReturnType(getContext())); 2656 if (Modifier & VectorizeRetType) 2657 Ty = llvm::VectorType::get( 2658 Ty, VectorSize ? VectorSize / Ty->getPrimitiveSizeInBits() : 1); 2659 2660 Tys.push_back(Ty); 2661 } 2662 2663 // Arguments. 2664 if (Modifier & VectorizeArgTypes) { 2665 int Elts = VectorSize ? VectorSize / ArgType->getPrimitiveSizeInBits() : 1; 2666 ArgType = llvm::VectorType::get(ArgType, Elts); 2667 } 2668 2669 if (Modifier & (Add1ArgType | Add2ArgTypes)) 2670 Tys.push_back(ArgType); 2671 2672 if (Modifier & Add2ArgTypes) 2673 Tys.push_back(ArgType); 2674 2675 if (Modifier & InventFloatType) 2676 Tys.push_back(FloatTy); 2677 2678 return CGM.getIntrinsic(IntrinsicID, Tys); 2679 } 2680 2681 static Value *EmitCommonNeonSISDBuiltinExpr(CodeGenFunction &CGF, 2682 const NeonIntrinsicInfo &SISDInfo, 2683 SmallVectorImpl<Value *> &Ops, 2684 const CallExpr *E) { 2685 unsigned BuiltinID = SISDInfo.BuiltinID; 2686 unsigned int Int = SISDInfo.LLVMIntrinsic; 2687 unsigned Modifier = SISDInfo.TypeModifier; 2688 const char *s = SISDInfo.NameHint; 2689 2690 switch (BuiltinID) { 2691 case NEON::BI__builtin_neon_vcled_s64: 2692 case NEON::BI__builtin_neon_vcled_u64: 2693 case NEON::BI__builtin_neon_vcles_f32: 2694 case NEON::BI__builtin_neon_vcled_f64: 2695 case NEON::BI__builtin_neon_vcltd_s64: 2696 case NEON::BI__builtin_neon_vcltd_u64: 2697 case NEON::BI__builtin_neon_vclts_f32: 2698 case NEON::BI__builtin_neon_vcltd_f64: 2699 case NEON::BI__builtin_neon_vcales_f32: 2700 case NEON::BI__builtin_neon_vcaled_f64: 2701 case NEON::BI__builtin_neon_vcalts_f32: 2702 case NEON::BI__builtin_neon_vcaltd_f64: 2703 // Only one direction of comparisons actually exist, cmle is actually a cmge 2704 // with swapped operands. The table gives us the right intrinsic but we 2705 // still need to do the swap. 2706 std::swap(Ops[0], Ops[1]); 2707 break; 2708 } 2709 2710 assert(Int && "Generic code assumes a valid intrinsic"); 2711 2712 // Determine the type(s) of this overloaded AArch64 intrinsic. 2713 const Expr *Arg = E->getArg(0); 2714 llvm::Type *ArgTy = CGF.ConvertType(Arg->getType()); 2715 Function *F = CGF.LookupNeonLLVMIntrinsic(Int, Modifier, ArgTy, E); 2716 2717 int j = 0; 2718 ConstantInt *C0 = ConstantInt::get(CGF.SizeTy, 0); 2719 for (Function::const_arg_iterator ai = F->arg_begin(), ae = F->arg_end(); 2720 ai != ae; ++ai, ++j) { 2721 llvm::Type *ArgTy = ai->getType(); 2722 if (Ops[j]->getType()->getPrimitiveSizeInBits() == 2723 ArgTy->getPrimitiveSizeInBits()) 2724 continue; 2725 2726 assert(ArgTy->isVectorTy() && !Ops[j]->getType()->isVectorTy()); 2727 // The constant argument to an _n_ intrinsic always has Int32Ty, so truncate 2728 // it before inserting. 2729 Ops[j] = 2730 CGF.Builder.CreateTruncOrBitCast(Ops[j], ArgTy->getVectorElementType()); 2731 Ops[j] = 2732 CGF.Builder.CreateInsertElement(UndefValue::get(ArgTy), Ops[j], C0); 2733 } 2734 2735 Value *Result = CGF.EmitNeonCall(F, Ops, s); 2736 llvm::Type *ResultType = CGF.ConvertType(E->getType()); 2737 if (ResultType->getPrimitiveSizeInBits() < 2738 Result->getType()->getPrimitiveSizeInBits()) 2739 return CGF.Builder.CreateExtractElement(Result, C0); 2740 2741 return CGF.Builder.CreateBitCast(Result, ResultType, s); 2742 } 2743 2744 Value *CodeGenFunction::EmitCommonNeonBuiltinExpr( 2745 unsigned BuiltinID, unsigned LLVMIntrinsic, unsigned AltLLVMIntrinsic, 2746 const char *NameHint, unsigned Modifier, const CallExpr *E, 2747 SmallVectorImpl<llvm::Value *> &Ops, llvm::Value *Align) { 2748 // Get the last argument, which specifies the vector type. 2749 llvm::APSInt NeonTypeConst; 2750 const Expr *Arg = E->getArg(E->getNumArgs() - 1); 2751 if (!Arg->isIntegerConstantExpr(NeonTypeConst, getContext())) 2752 return nullptr; 2753 2754 // Determine the type of this overloaded NEON intrinsic. 2755 NeonTypeFlags Type(NeonTypeConst.getZExtValue()); 2756 bool Usgn = Type.isUnsigned(); 2757 bool Quad = Type.isQuad(); 2758 2759 llvm::VectorType *VTy = GetNeonType(this, Type); 2760 llvm::Type *Ty = VTy; 2761 if (!Ty) 2762 return nullptr; 2763 2764 unsigned Int = LLVMIntrinsic; 2765 if ((Modifier & UnsignedAlts) && !Usgn) 2766 Int = AltLLVMIntrinsic; 2767 2768 switch (BuiltinID) { 2769 default: break; 2770 case NEON::BI__builtin_neon_vabs_v: 2771 case NEON::BI__builtin_neon_vabsq_v: 2772 if (VTy->getElementType()->isFloatingPointTy()) 2773 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::fabs, Ty), Ops, "vabs"); 2774 return EmitNeonCall(CGM.getIntrinsic(LLVMIntrinsic, Ty), Ops, "vabs"); 2775 case NEON::BI__builtin_neon_vaddhn_v: { 2776 llvm::VectorType *SrcTy = 2777 llvm::VectorType::getExtendedElementVectorType(VTy); 2778 2779 // %sum = add <4 x i32> %lhs, %rhs 2780 Ops[0] = Builder.CreateBitCast(Ops[0], SrcTy); 2781 Ops[1] = Builder.CreateBitCast(Ops[1], SrcTy); 2782 Ops[0] = Builder.CreateAdd(Ops[0], Ops[1], "vaddhn"); 2783 2784 // %high = lshr <4 x i32> %sum, <i32 16, i32 16, i32 16, i32 16> 2785 Constant *ShiftAmt = ConstantInt::get(SrcTy->getElementType(), 2786 SrcTy->getScalarSizeInBits() / 2); 2787 ShiftAmt = ConstantVector::getSplat(VTy->getNumElements(), ShiftAmt); 2788 Ops[0] = Builder.CreateLShr(Ops[0], ShiftAmt, "vaddhn"); 2789 2790 // %res = trunc <4 x i32> %high to <4 x i16> 2791 return Builder.CreateTrunc(Ops[0], VTy, "vaddhn"); 2792 } 2793 case NEON::BI__builtin_neon_vcale_v: 2794 case NEON::BI__builtin_neon_vcaleq_v: 2795 case NEON::BI__builtin_neon_vcalt_v: 2796 case NEON::BI__builtin_neon_vcaltq_v: 2797 std::swap(Ops[0], Ops[1]); 2798 case NEON::BI__builtin_neon_vcage_v: 2799 case NEON::BI__builtin_neon_vcageq_v: 2800 case NEON::BI__builtin_neon_vcagt_v: 2801 case NEON::BI__builtin_neon_vcagtq_v: { 2802 llvm::Type *VecFlt = llvm::VectorType::get( 2803 VTy->getScalarSizeInBits() == 32 ? FloatTy : DoubleTy, 2804 VTy->getNumElements()); 2805 llvm::Type *Tys[] = { VTy, VecFlt }; 2806 Function *F = CGM.getIntrinsic(LLVMIntrinsic, Tys); 2807 return EmitNeonCall(F, Ops, NameHint); 2808 } 2809 case NEON::BI__builtin_neon_vclz_v: 2810 case NEON::BI__builtin_neon_vclzq_v: 2811 // We generate target-independent intrinsic, which needs a second argument 2812 // for whether or not clz of zero is undefined; on ARM it isn't. 2813 Ops.push_back(Builder.getInt1(getTarget().isCLZForZeroUndef())); 2814 break; 2815 case NEON::BI__builtin_neon_vcvt_f32_v: 2816 case NEON::BI__builtin_neon_vcvtq_f32_v: 2817 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2818 Ty = GetNeonType(this, NeonTypeFlags(NeonTypeFlags::Float32, false, Quad)); 2819 return Usgn ? Builder.CreateUIToFP(Ops[0], Ty, "vcvt") 2820 : Builder.CreateSIToFP(Ops[0], Ty, "vcvt"); 2821 case NEON::BI__builtin_neon_vcvt_n_f32_v: 2822 case NEON::BI__builtin_neon_vcvt_n_f64_v: 2823 case NEON::BI__builtin_neon_vcvtq_n_f32_v: 2824 case NEON::BI__builtin_neon_vcvtq_n_f64_v: { 2825 bool Double = 2826 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 2827 llvm::Type *FloatTy = 2828 GetNeonType(this, NeonTypeFlags(Double ? NeonTypeFlags::Float64 2829 : NeonTypeFlags::Float32, 2830 false, Quad)); 2831 llvm::Type *Tys[2] = { FloatTy, Ty }; 2832 Int = Usgn ? LLVMIntrinsic : AltLLVMIntrinsic; 2833 Function *F = CGM.getIntrinsic(Int, Tys); 2834 return EmitNeonCall(F, Ops, "vcvt_n"); 2835 } 2836 case NEON::BI__builtin_neon_vcvt_n_s32_v: 2837 case NEON::BI__builtin_neon_vcvt_n_u32_v: 2838 case NEON::BI__builtin_neon_vcvt_n_s64_v: 2839 case NEON::BI__builtin_neon_vcvt_n_u64_v: 2840 case NEON::BI__builtin_neon_vcvtq_n_s32_v: 2841 case NEON::BI__builtin_neon_vcvtq_n_u32_v: 2842 case NEON::BI__builtin_neon_vcvtq_n_s64_v: 2843 case NEON::BI__builtin_neon_vcvtq_n_u64_v: { 2844 bool Double = 2845 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 2846 llvm::Type *FloatTy = 2847 GetNeonType(this, NeonTypeFlags(Double ? NeonTypeFlags::Float64 2848 : NeonTypeFlags::Float32, 2849 false, Quad)); 2850 llvm::Type *Tys[2] = { Ty, FloatTy }; 2851 Function *F = CGM.getIntrinsic(LLVMIntrinsic, Tys); 2852 return EmitNeonCall(F, Ops, "vcvt_n"); 2853 } 2854 case NEON::BI__builtin_neon_vcvt_s32_v: 2855 case NEON::BI__builtin_neon_vcvt_u32_v: 2856 case NEON::BI__builtin_neon_vcvt_s64_v: 2857 case NEON::BI__builtin_neon_vcvt_u64_v: 2858 case NEON::BI__builtin_neon_vcvtq_s32_v: 2859 case NEON::BI__builtin_neon_vcvtq_u32_v: 2860 case NEON::BI__builtin_neon_vcvtq_s64_v: 2861 case NEON::BI__builtin_neon_vcvtq_u64_v: { 2862 bool Double = 2863 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 2864 llvm::Type *FloatTy = 2865 GetNeonType(this, NeonTypeFlags(Double ? NeonTypeFlags::Float64 2866 : NeonTypeFlags::Float32, 2867 false, Quad)); 2868 Ops[0] = Builder.CreateBitCast(Ops[0], FloatTy); 2869 return Usgn ? Builder.CreateFPToUI(Ops[0], Ty, "vcvt") 2870 : Builder.CreateFPToSI(Ops[0], Ty, "vcvt"); 2871 } 2872 case NEON::BI__builtin_neon_vcvta_s32_v: 2873 case NEON::BI__builtin_neon_vcvta_s64_v: 2874 case NEON::BI__builtin_neon_vcvta_u32_v: 2875 case NEON::BI__builtin_neon_vcvta_u64_v: 2876 case NEON::BI__builtin_neon_vcvtaq_s32_v: 2877 case NEON::BI__builtin_neon_vcvtaq_s64_v: 2878 case NEON::BI__builtin_neon_vcvtaq_u32_v: 2879 case NEON::BI__builtin_neon_vcvtaq_u64_v: 2880 case NEON::BI__builtin_neon_vcvtn_s32_v: 2881 case NEON::BI__builtin_neon_vcvtn_s64_v: 2882 case NEON::BI__builtin_neon_vcvtn_u32_v: 2883 case NEON::BI__builtin_neon_vcvtn_u64_v: 2884 case NEON::BI__builtin_neon_vcvtnq_s32_v: 2885 case NEON::BI__builtin_neon_vcvtnq_s64_v: 2886 case NEON::BI__builtin_neon_vcvtnq_u32_v: 2887 case NEON::BI__builtin_neon_vcvtnq_u64_v: 2888 case NEON::BI__builtin_neon_vcvtp_s32_v: 2889 case NEON::BI__builtin_neon_vcvtp_s64_v: 2890 case NEON::BI__builtin_neon_vcvtp_u32_v: 2891 case NEON::BI__builtin_neon_vcvtp_u64_v: 2892 case NEON::BI__builtin_neon_vcvtpq_s32_v: 2893 case NEON::BI__builtin_neon_vcvtpq_s64_v: 2894 case NEON::BI__builtin_neon_vcvtpq_u32_v: 2895 case NEON::BI__builtin_neon_vcvtpq_u64_v: 2896 case NEON::BI__builtin_neon_vcvtm_s32_v: 2897 case NEON::BI__builtin_neon_vcvtm_s64_v: 2898 case NEON::BI__builtin_neon_vcvtm_u32_v: 2899 case NEON::BI__builtin_neon_vcvtm_u64_v: 2900 case NEON::BI__builtin_neon_vcvtmq_s32_v: 2901 case NEON::BI__builtin_neon_vcvtmq_s64_v: 2902 case NEON::BI__builtin_neon_vcvtmq_u32_v: 2903 case NEON::BI__builtin_neon_vcvtmq_u64_v: { 2904 bool Double = 2905 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 2906 llvm::Type *InTy = 2907 GetNeonType(this, 2908 NeonTypeFlags(Double ? NeonTypeFlags::Float64 2909 : NeonTypeFlags::Float32, false, Quad)); 2910 llvm::Type *Tys[2] = { Ty, InTy }; 2911 return EmitNeonCall(CGM.getIntrinsic(LLVMIntrinsic, Tys), Ops, NameHint); 2912 } 2913 case NEON::BI__builtin_neon_vext_v: 2914 case NEON::BI__builtin_neon_vextq_v: { 2915 int CV = cast<ConstantInt>(Ops[2])->getSExtValue(); 2916 SmallVector<Constant*, 16> Indices; 2917 for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i) 2918 Indices.push_back(ConstantInt::get(Int32Ty, i+CV)); 2919 2920 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2921 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 2922 Value *SV = llvm::ConstantVector::get(Indices); 2923 return Builder.CreateShuffleVector(Ops[0], Ops[1], SV, "vext"); 2924 } 2925 case NEON::BI__builtin_neon_vfma_v: 2926 case NEON::BI__builtin_neon_vfmaq_v: { 2927 Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); 2928 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2929 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 2930 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 2931 2932 // NEON intrinsic puts accumulator first, unlike the LLVM fma. 2933 return Builder.CreateCall(F, {Ops[1], Ops[2], Ops[0]}); 2934 } 2935 case NEON::BI__builtin_neon_vld1_v: 2936 case NEON::BI__builtin_neon_vld1q_v: 2937 Ops.push_back(Align); 2938 return EmitNeonCall(CGM.getIntrinsic(LLVMIntrinsic, Ty), Ops, "vld1"); 2939 case NEON::BI__builtin_neon_vld2_v: 2940 case NEON::BI__builtin_neon_vld2q_v: 2941 case NEON::BI__builtin_neon_vld3_v: 2942 case NEON::BI__builtin_neon_vld3q_v: 2943 case NEON::BI__builtin_neon_vld4_v: 2944 case NEON::BI__builtin_neon_vld4q_v: { 2945 Function *F = CGM.getIntrinsic(LLVMIntrinsic, Ty); 2946 Ops[1] = Builder.CreateCall(F, {Ops[1], Align}, NameHint); 2947 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 2948 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2949 return Builder.CreateStore(Ops[1], Ops[0]); 2950 } 2951 case NEON::BI__builtin_neon_vld1_dup_v: 2952 case NEON::BI__builtin_neon_vld1q_dup_v: { 2953 Value *V = UndefValue::get(Ty); 2954 Ty = llvm::PointerType::getUnqual(VTy->getElementType()); 2955 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2956 LoadInst *Ld = Builder.CreateLoad(Ops[0]); 2957 Ld->setAlignment(cast<ConstantInt>(Align)->getZExtValue()); 2958 llvm::Constant *CI = ConstantInt::get(SizeTy, 0); 2959 Ops[0] = Builder.CreateInsertElement(V, Ld, CI); 2960 return EmitNeonSplat(Ops[0], CI); 2961 } 2962 case NEON::BI__builtin_neon_vld2_lane_v: 2963 case NEON::BI__builtin_neon_vld2q_lane_v: 2964 case NEON::BI__builtin_neon_vld3_lane_v: 2965 case NEON::BI__builtin_neon_vld3q_lane_v: 2966 case NEON::BI__builtin_neon_vld4_lane_v: 2967 case NEON::BI__builtin_neon_vld4q_lane_v: { 2968 Function *F = CGM.getIntrinsic(LLVMIntrinsic, Ty); 2969 for (unsigned I = 2; I < Ops.size() - 1; ++I) 2970 Ops[I] = Builder.CreateBitCast(Ops[I], Ty); 2971 Ops.push_back(Align); 2972 Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), NameHint); 2973 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 2974 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 2975 return Builder.CreateStore(Ops[1], Ops[0]); 2976 } 2977 case NEON::BI__builtin_neon_vmovl_v: { 2978 llvm::Type *DTy =llvm::VectorType::getTruncatedElementVectorType(VTy); 2979 Ops[0] = Builder.CreateBitCast(Ops[0], DTy); 2980 if (Usgn) 2981 return Builder.CreateZExt(Ops[0], Ty, "vmovl"); 2982 return Builder.CreateSExt(Ops[0], Ty, "vmovl"); 2983 } 2984 case NEON::BI__builtin_neon_vmovn_v: { 2985 llvm::Type *QTy = llvm::VectorType::getExtendedElementVectorType(VTy); 2986 Ops[0] = Builder.CreateBitCast(Ops[0], QTy); 2987 return Builder.CreateTrunc(Ops[0], Ty, "vmovn"); 2988 } 2989 case NEON::BI__builtin_neon_vmull_v: 2990 // FIXME: the integer vmull operations could be emitted in terms of pure 2991 // LLVM IR (2 exts followed by a mul). Unfortunately LLVM has a habit of 2992 // hoisting the exts outside loops. Until global ISel comes along that can 2993 // see through such movement this leads to bad CodeGen. So we need an 2994 // intrinsic for now. 2995 Int = Usgn ? Intrinsic::arm_neon_vmullu : Intrinsic::arm_neon_vmulls; 2996 Int = Type.isPoly() ? (unsigned)Intrinsic::arm_neon_vmullp : Int; 2997 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmull"); 2998 case NEON::BI__builtin_neon_vpadal_v: 2999 case NEON::BI__builtin_neon_vpadalq_v: { 3000 // The source operand type has twice as many elements of half the size. 3001 unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits(); 3002 llvm::Type *EltTy = 3003 llvm::IntegerType::get(getLLVMContext(), EltBits / 2); 3004 llvm::Type *NarrowTy = 3005 llvm::VectorType::get(EltTy, VTy->getNumElements() * 2); 3006 llvm::Type *Tys[2] = { Ty, NarrowTy }; 3007 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, NameHint); 3008 } 3009 case NEON::BI__builtin_neon_vpaddl_v: 3010 case NEON::BI__builtin_neon_vpaddlq_v: { 3011 // The source operand type has twice as many elements of half the size. 3012 unsigned EltBits = VTy->getElementType()->getPrimitiveSizeInBits(); 3013 llvm::Type *EltTy = llvm::IntegerType::get(getLLVMContext(), EltBits / 2); 3014 llvm::Type *NarrowTy = 3015 llvm::VectorType::get(EltTy, VTy->getNumElements() * 2); 3016 llvm::Type *Tys[2] = { Ty, NarrowTy }; 3017 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vpaddl"); 3018 } 3019 case NEON::BI__builtin_neon_vqdmlal_v: 3020 case NEON::BI__builtin_neon_vqdmlsl_v: { 3021 SmallVector<Value *, 2> MulOps(Ops.begin() + 1, Ops.end()); 3022 Value *Mul = EmitNeonCall(CGM.getIntrinsic(LLVMIntrinsic, Ty), 3023 MulOps, "vqdmlal"); 3024 3025 SmallVector<Value *, 2> AccumOps; 3026 AccumOps.push_back(Ops[0]); 3027 AccumOps.push_back(Mul); 3028 return EmitNeonCall(CGM.getIntrinsic(AltLLVMIntrinsic, Ty), 3029 AccumOps, NameHint); 3030 } 3031 case NEON::BI__builtin_neon_vqshl_n_v: 3032 case NEON::BI__builtin_neon_vqshlq_n_v: 3033 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshl_n", 3034 1, false); 3035 case NEON::BI__builtin_neon_vqshlu_n_v: 3036 case NEON::BI__builtin_neon_vqshluq_n_v: 3037 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshlu_n", 3038 1, false); 3039 case NEON::BI__builtin_neon_vrecpe_v: 3040 case NEON::BI__builtin_neon_vrecpeq_v: 3041 case NEON::BI__builtin_neon_vrsqrte_v: 3042 case NEON::BI__builtin_neon_vrsqrteq_v: 3043 Int = Ty->isFPOrFPVectorTy() ? LLVMIntrinsic : AltLLVMIntrinsic; 3044 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, NameHint); 3045 3046 case NEON::BI__builtin_neon_vrshr_n_v: 3047 case NEON::BI__builtin_neon_vrshrq_n_v: 3048 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrshr_n", 3049 1, true); 3050 case NEON::BI__builtin_neon_vshl_n_v: 3051 case NEON::BI__builtin_neon_vshlq_n_v: 3052 Ops[1] = EmitNeonShiftVector(Ops[1], Ty, false); 3053 return Builder.CreateShl(Builder.CreateBitCast(Ops[0],Ty), Ops[1], 3054 "vshl_n"); 3055 case NEON::BI__builtin_neon_vshll_n_v: { 3056 llvm::Type *SrcTy = llvm::VectorType::getTruncatedElementVectorType(VTy); 3057 Ops[0] = Builder.CreateBitCast(Ops[0], SrcTy); 3058 if (Usgn) 3059 Ops[0] = Builder.CreateZExt(Ops[0], VTy); 3060 else 3061 Ops[0] = Builder.CreateSExt(Ops[0], VTy); 3062 Ops[1] = EmitNeonShiftVector(Ops[1], VTy, false); 3063 return Builder.CreateShl(Ops[0], Ops[1], "vshll_n"); 3064 } 3065 case NEON::BI__builtin_neon_vshrn_n_v: { 3066 llvm::Type *SrcTy = llvm::VectorType::getExtendedElementVectorType(VTy); 3067 Ops[0] = Builder.CreateBitCast(Ops[0], SrcTy); 3068 Ops[1] = EmitNeonShiftVector(Ops[1], SrcTy, false); 3069 if (Usgn) 3070 Ops[0] = Builder.CreateLShr(Ops[0], Ops[1]); 3071 else 3072 Ops[0] = Builder.CreateAShr(Ops[0], Ops[1]); 3073 return Builder.CreateTrunc(Ops[0], Ty, "vshrn_n"); 3074 } 3075 case NEON::BI__builtin_neon_vshr_n_v: 3076 case NEON::BI__builtin_neon_vshrq_n_v: 3077 return EmitNeonRShiftImm(Ops[0], Ops[1], Ty, Usgn, "vshr_n"); 3078 case NEON::BI__builtin_neon_vst1_v: 3079 case NEON::BI__builtin_neon_vst1q_v: 3080 case NEON::BI__builtin_neon_vst2_v: 3081 case NEON::BI__builtin_neon_vst2q_v: 3082 case NEON::BI__builtin_neon_vst3_v: 3083 case NEON::BI__builtin_neon_vst3q_v: 3084 case NEON::BI__builtin_neon_vst4_v: 3085 case NEON::BI__builtin_neon_vst4q_v: 3086 case NEON::BI__builtin_neon_vst2_lane_v: 3087 case NEON::BI__builtin_neon_vst2q_lane_v: 3088 case NEON::BI__builtin_neon_vst3_lane_v: 3089 case NEON::BI__builtin_neon_vst3q_lane_v: 3090 case NEON::BI__builtin_neon_vst4_lane_v: 3091 case NEON::BI__builtin_neon_vst4q_lane_v: 3092 Ops.push_back(Align); 3093 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, ""); 3094 case NEON::BI__builtin_neon_vsubhn_v: { 3095 llvm::VectorType *SrcTy = 3096 llvm::VectorType::getExtendedElementVectorType(VTy); 3097 3098 // %sum = add <4 x i32> %lhs, %rhs 3099 Ops[0] = Builder.CreateBitCast(Ops[0], SrcTy); 3100 Ops[1] = Builder.CreateBitCast(Ops[1], SrcTy); 3101 Ops[0] = Builder.CreateSub(Ops[0], Ops[1], "vsubhn"); 3102 3103 // %high = lshr <4 x i32> %sum, <i32 16, i32 16, i32 16, i32 16> 3104 Constant *ShiftAmt = ConstantInt::get(SrcTy->getElementType(), 3105 SrcTy->getScalarSizeInBits() / 2); 3106 ShiftAmt = ConstantVector::getSplat(VTy->getNumElements(), ShiftAmt); 3107 Ops[0] = Builder.CreateLShr(Ops[0], ShiftAmt, "vsubhn"); 3108 3109 // %res = trunc <4 x i32> %high to <4 x i16> 3110 return Builder.CreateTrunc(Ops[0], VTy, "vsubhn"); 3111 } 3112 case NEON::BI__builtin_neon_vtrn_v: 3113 case NEON::BI__builtin_neon_vtrnq_v: { 3114 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 3115 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3116 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 3117 Value *SV = nullptr; 3118 3119 for (unsigned vi = 0; vi != 2; ++vi) { 3120 SmallVector<Constant*, 16> Indices; 3121 for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) { 3122 Indices.push_back(Builder.getInt32(i+vi)); 3123 Indices.push_back(Builder.getInt32(i+e+vi)); 3124 } 3125 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 3126 SV = llvm::ConstantVector::get(Indices); 3127 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vtrn"); 3128 SV = Builder.CreateStore(SV, Addr); 3129 } 3130 return SV; 3131 } 3132 case NEON::BI__builtin_neon_vtst_v: 3133 case NEON::BI__builtin_neon_vtstq_v: { 3134 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3135 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3136 Ops[0] = Builder.CreateAnd(Ops[0], Ops[1]); 3137 Ops[0] = Builder.CreateICmp(ICmpInst::ICMP_NE, Ops[0], 3138 ConstantAggregateZero::get(Ty)); 3139 return Builder.CreateSExt(Ops[0], Ty, "vtst"); 3140 } 3141 case NEON::BI__builtin_neon_vuzp_v: 3142 case NEON::BI__builtin_neon_vuzpq_v: { 3143 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 3144 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3145 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 3146 Value *SV = nullptr; 3147 3148 for (unsigned vi = 0; vi != 2; ++vi) { 3149 SmallVector<Constant*, 16> Indices; 3150 for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i) 3151 Indices.push_back(ConstantInt::get(Int32Ty, 2*i+vi)); 3152 3153 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 3154 SV = llvm::ConstantVector::get(Indices); 3155 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vuzp"); 3156 SV = Builder.CreateStore(SV, Addr); 3157 } 3158 return SV; 3159 } 3160 case NEON::BI__builtin_neon_vzip_v: 3161 case NEON::BI__builtin_neon_vzipq_v: { 3162 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 3163 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3164 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 3165 Value *SV = nullptr; 3166 3167 for (unsigned vi = 0; vi != 2; ++vi) { 3168 SmallVector<Constant*, 16> Indices; 3169 for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) { 3170 Indices.push_back(ConstantInt::get(Int32Ty, (i + vi*e) >> 1)); 3171 Indices.push_back(ConstantInt::get(Int32Ty, ((i + vi*e) >> 1)+e)); 3172 } 3173 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 3174 SV = llvm::ConstantVector::get(Indices); 3175 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vzip"); 3176 SV = Builder.CreateStore(SV, Addr); 3177 } 3178 return SV; 3179 } 3180 } 3181 3182 assert(Int && "Expected valid intrinsic number"); 3183 3184 // Determine the type(s) of this overloaded AArch64 intrinsic. 3185 Function *F = LookupNeonLLVMIntrinsic(Int, Modifier, Ty, E); 3186 3187 Value *Result = EmitNeonCall(F, Ops, NameHint); 3188 llvm::Type *ResultType = ConvertType(E->getType()); 3189 // AArch64 intrinsic one-element vector type cast to 3190 // scalar type expected by the builtin 3191 return Builder.CreateBitCast(Result, ResultType, NameHint); 3192 } 3193 3194 Value *CodeGenFunction::EmitAArch64CompareBuiltinExpr( 3195 Value *Op, llvm::Type *Ty, const CmpInst::Predicate Fp, 3196 const CmpInst::Predicate Ip, const Twine &Name) { 3197 llvm::Type *OTy = Op->getType(); 3198 3199 // FIXME: this is utterly horrific. We should not be looking at previous 3200 // codegen context to find out what needs doing. Unfortunately TableGen 3201 // currently gives us exactly the same calls for vceqz_f32 and vceqz_s32 3202 // (etc). 3203 if (BitCastInst *BI = dyn_cast<BitCastInst>(Op)) 3204 OTy = BI->getOperand(0)->getType(); 3205 3206 Op = Builder.CreateBitCast(Op, OTy); 3207 if (OTy->getScalarType()->isFloatingPointTy()) { 3208 Op = Builder.CreateFCmp(Fp, Op, Constant::getNullValue(OTy)); 3209 } else { 3210 Op = Builder.CreateICmp(Ip, Op, Constant::getNullValue(OTy)); 3211 } 3212 return Builder.CreateSExt(Op, Ty, Name); 3213 } 3214 3215 static Value *packTBLDVectorList(CodeGenFunction &CGF, ArrayRef<Value *> Ops, 3216 Value *ExtOp, Value *IndexOp, 3217 llvm::Type *ResTy, unsigned IntID, 3218 const char *Name) { 3219 SmallVector<Value *, 2> TblOps; 3220 if (ExtOp) 3221 TblOps.push_back(ExtOp); 3222 3223 // Build a vector containing sequential number like (0, 1, 2, ..., 15) 3224 SmallVector<Constant*, 16> Indices; 3225 llvm::VectorType *TblTy = cast<llvm::VectorType>(Ops[0]->getType()); 3226 for (unsigned i = 0, e = TblTy->getNumElements(); i != e; ++i) { 3227 Indices.push_back(ConstantInt::get(CGF.Int32Ty, 2*i)); 3228 Indices.push_back(ConstantInt::get(CGF.Int32Ty, 2*i+1)); 3229 } 3230 Value *SV = llvm::ConstantVector::get(Indices); 3231 3232 int PairPos = 0, End = Ops.size() - 1; 3233 while (PairPos < End) { 3234 TblOps.push_back(CGF.Builder.CreateShuffleVector(Ops[PairPos], 3235 Ops[PairPos+1], SV, Name)); 3236 PairPos += 2; 3237 } 3238 3239 // If there's an odd number of 64-bit lookup table, fill the high 64-bit 3240 // of the 128-bit lookup table with zero. 3241 if (PairPos == End) { 3242 Value *ZeroTbl = ConstantAggregateZero::get(TblTy); 3243 TblOps.push_back(CGF.Builder.CreateShuffleVector(Ops[PairPos], 3244 ZeroTbl, SV, Name)); 3245 } 3246 3247 Function *TblF; 3248 TblOps.push_back(IndexOp); 3249 TblF = CGF.CGM.getIntrinsic(IntID, ResTy); 3250 3251 return CGF.EmitNeonCall(TblF, TblOps, Name); 3252 } 3253 3254 Value *CodeGenFunction::GetValueForARMHint(unsigned BuiltinID) { 3255 switch (BuiltinID) { 3256 default: 3257 return nullptr; 3258 case ARM::BI__builtin_arm_nop: 3259 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3260 llvm::ConstantInt::get(Int32Ty, 0)); 3261 case ARM::BI__builtin_arm_yield: 3262 case ARM::BI__yield: 3263 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3264 llvm::ConstantInt::get(Int32Ty, 1)); 3265 case ARM::BI__builtin_arm_wfe: 3266 case ARM::BI__wfe: 3267 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3268 llvm::ConstantInt::get(Int32Ty, 2)); 3269 case ARM::BI__builtin_arm_wfi: 3270 case ARM::BI__wfi: 3271 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3272 llvm::ConstantInt::get(Int32Ty, 3)); 3273 case ARM::BI__builtin_arm_sev: 3274 case ARM::BI__sev: 3275 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3276 llvm::ConstantInt::get(Int32Ty, 4)); 3277 case ARM::BI__builtin_arm_sevl: 3278 case ARM::BI__sevl: 3279 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_hint), 3280 llvm::ConstantInt::get(Int32Ty, 5)); 3281 } 3282 } 3283 3284 // Generates the IR for the read/write special register builtin, 3285 // ValueType is the type of the value that is to be written or read, 3286 // RegisterType is the type of the register being written to or read from. 3287 static Value *EmitSpecialRegisterBuiltin(CodeGenFunction &CGF, 3288 const CallExpr *E, 3289 llvm::Type *RegisterType, 3290 llvm::Type *ValueType, bool IsRead) { 3291 // write and register intrinsics only support 32 and 64 bit operations. 3292 assert((RegisterType->isIntegerTy(32) || RegisterType->isIntegerTy(64)) 3293 && "Unsupported size for register."); 3294 3295 CodeGen::CGBuilderTy &Builder = CGF.Builder; 3296 CodeGen::CodeGenModule &CGM = CGF.CGM; 3297 LLVMContext &Context = CGM.getLLVMContext(); 3298 3299 const Expr *SysRegStrExpr = E->getArg(0)->IgnoreParenCasts(); 3300 StringRef SysReg = cast<StringLiteral>(SysRegStrExpr)->getString(); 3301 3302 llvm::Metadata *Ops[] = { llvm::MDString::get(Context, SysReg) }; 3303 llvm::MDNode *RegName = llvm::MDNode::get(Context, Ops); 3304 llvm::Value *Metadata = llvm::MetadataAsValue::get(Context, RegName); 3305 3306 llvm::Type *Types[] = { RegisterType }; 3307 3308 bool MixedTypes = RegisterType->isIntegerTy(64) && ValueType->isIntegerTy(32); 3309 assert(!(RegisterType->isIntegerTy(32) && ValueType->isIntegerTy(64)) 3310 && "Can't fit 64-bit value in 32-bit register"); 3311 3312 if (IsRead) { 3313 llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::read_register, Types); 3314 llvm::Value *Call = Builder.CreateCall(F, Metadata); 3315 3316 if (MixedTypes) 3317 // Read into 64 bit register and then truncate result to 32 bit. 3318 return Builder.CreateTrunc(Call, ValueType); 3319 3320 if (ValueType->isPointerTy()) 3321 // Have i32/i64 result (Call) but want to return a VoidPtrTy (i8*). 3322 return Builder.CreateIntToPtr(Call, ValueType); 3323 3324 return Call; 3325 } 3326 3327 llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::write_register, Types); 3328 llvm::Value *ArgValue = CGF.EmitScalarExpr(E->getArg(1)); 3329 if (MixedTypes) { 3330 // Extend 32 bit write value to 64 bit to pass to write. 3331 ArgValue = Builder.CreateZExt(ArgValue, RegisterType); 3332 return Builder.CreateCall(F, { Metadata, ArgValue }); 3333 } 3334 3335 if (ValueType->isPointerTy()) { 3336 // Have VoidPtrTy ArgValue but want to return an i32/i64. 3337 ArgValue = Builder.CreatePtrToInt(ArgValue, RegisterType); 3338 return Builder.CreateCall(F, { Metadata, ArgValue }); 3339 } 3340 3341 return Builder.CreateCall(F, { Metadata, ArgValue }); 3342 } 3343 3344 /// Return true if BuiltinID is an overloaded Neon intrinsic with an extra 3345 /// argument that specifies the vector type. 3346 static bool HasExtraNeonArgument(unsigned BuiltinID) { 3347 switch (BuiltinID) { 3348 default: break; 3349 case NEON::BI__builtin_neon_vget_lane_i8: 3350 case NEON::BI__builtin_neon_vget_lane_i16: 3351 case NEON::BI__builtin_neon_vget_lane_i32: 3352 case NEON::BI__builtin_neon_vget_lane_i64: 3353 case NEON::BI__builtin_neon_vget_lane_f32: 3354 case NEON::BI__builtin_neon_vgetq_lane_i8: 3355 case NEON::BI__builtin_neon_vgetq_lane_i16: 3356 case NEON::BI__builtin_neon_vgetq_lane_i32: 3357 case NEON::BI__builtin_neon_vgetq_lane_i64: 3358 case NEON::BI__builtin_neon_vgetq_lane_f32: 3359 case NEON::BI__builtin_neon_vset_lane_i8: 3360 case NEON::BI__builtin_neon_vset_lane_i16: 3361 case NEON::BI__builtin_neon_vset_lane_i32: 3362 case NEON::BI__builtin_neon_vset_lane_i64: 3363 case NEON::BI__builtin_neon_vset_lane_f32: 3364 case NEON::BI__builtin_neon_vsetq_lane_i8: 3365 case NEON::BI__builtin_neon_vsetq_lane_i16: 3366 case NEON::BI__builtin_neon_vsetq_lane_i32: 3367 case NEON::BI__builtin_neon_vsetq_lane_i64: 3368 case NEON::BI__builtin_neon_vsetq_lane_f32: 3369 case NEON::BI__builtin_neon_vsha1h_u32: 3370 case NEON::BI__builtin_neon_vsha1cq_u32: 3371 case NEON::BI__builtin_neon_vsha1pq_u32: 3372 case NEON::BI__builtin_neon_vsha1mq_u32: 3373 case ARM::BI_MoveToCoprocessor: 3374 case ARM::BI_MoveToCoprocessor2: 3375 return false; 3376 } 3377 return true; 3378 } 3379 3380 Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, 3381 const CallExpr *E) { 3382 if (auto Hint = GetValueForARMHint(BuiltinID)) 3383 return Hint; 3384 3385 if (BuiltinID == ARM::BI__emit) { 3386 bool IsThumb = getTarget().getTriple().getArch() == llvm::Triple::thumb; 3387 llvm::FunctionType *FTy = 3388 llvm::FunctionType::get(VoidTy, /*Variadic=*/false); 3389 3390 APSInt Value; 3391 if (!E->getArg(0)->EvaluateAsInt(Value, CGM.getContext())) 3392 llvm_unreachable("Sema will ensure that the parameter is constant"); 3393 3394 uint64_t ZExtValue = Value.zextOrTrunc(IsThumb ? 16 : 32).getZExtValue(); 3395 3396 llvm::InlineAsm *Emit = 3397 IsThumb ? InlineAsm::get(FTy, ".inst.n 0x" + utohexstr(ZExtValue), "", 3398 /*SideEffects=*/true) 3399 : InlineAsm::get(FTy, ".inst 0x" + utohexstr(ZExtValue), "", 3400 /*SideEffects=*/true); 3401 3402 return Builder.CreateCall(Emit); 3403 } 3404 3405 if (BuiltinID == ARM::BI__builtin_arm_dbg) { 3406 Value *Option = EmitScalarExpr(E->getArg(0)); 3407 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_dbg), Option); 3408 } 3409 3410 if (BuiltinID == ARM::BI__builtin_arm_prefetch) { 3411 Value *Address = EmitScalarExpr(E->getArg(0)); 3412 Value *RW = EmitScalarExpr(E->getArg(1)); 3413 Value *IsData = EmitScalarExpr(E->getArg(2)); 3414 3415 // Locality is not supported on ARM target 3416 Value *Locality = llvm::ConstantInt::get(Int32Ty, 3); 3417 3418 Value *F = CGM.getIntrinsic(Intrinsic::prefetch); 3419 return Builder.CreateCall(F, {Address, RW, Locality, IsData}); 3420 } 3421 3422 if (BuiltinID == ARM::BI__builtin_arm_rbit) { 3423 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_rbit), 3424 EmitScalarExpr(E->getArg(0)), 3425 "rbit"); 3426 } 3427 3428 if (BuiltinID == ARM::BI__clear_cache) { 3429 assert(E->getNumArgs() == 2 && "__clear_cache takes 2 arguments"); 3430 const FunctionDecl *FD = E->getDirectCallee(); 3431 SmallVector<Value*, 2> Ops; 3432 for (unsigned i = 0; i < 2; i++) 3433 Ops.push_back(EmitScalarExpr(E->getArg(i))); 3434 llvm::Type *Ty = CGM.getTypes().ConvertType(FD->getType()); 3435 llvm::FunctionType *FTy = cast<llvm::FunctionType>(Ty); 3436 StringRef Name = FD->getName(); 3437 return EmitNounwindRuntimeCall(CGM.CreateRuntimeFunction(FTy, Name), Ops); 3438 } 3439 3440 if (BuiltinID == ARM::BI__builtin_arm_ldrexd || 3441 ((BuiltinID == ARM::BI__builtin_arm_ldrex || 3442 BuiltinID == ARM::BI__builtin_arm_ldaex) && 3443 getContext().getTypeSize(E->getType()) == 64) || 3444 BuiltinID == ARM::BI__ldrexd) { 3445 Function *F; 3446 3447 switch (BuiltinID) { 3448 default: llvm_unreachable("unexpected builtin"); 3449 case ARM::BI__builtin_arm_ldaex: 3450 F = CGM.getIntrinsic(Intrinsic::arm_ldaexd); 3451 break; 3452 case ARM::BI__builtin_arm_ldrexd: 3453 case ARM::BI__builtin_arm_ldrex: 3454 case ARM::BI__ldrexd: 3455 F = CGM.getIntrinsic(Intrinsic::arm_ldrexd); 3456 break; 3457 } 3458 3459 Value *LdPtr = EmitScalarExpr(E->getArg(0)); 3460 Value *Val = Builder.CreateCall(F, Builder.CreateBitCast(LdPtr, Int8PtrTy), 3461 "ldrexd"); 3462 3463 Value *Val0 = Builder.CreateExtractValue(Val, 1); 3464 Value *Val1 = Builder.CreateExtractValue(Val, 0); 3465 Val0 = Builder.CreateZExt(Val0, Int64Ty); 3466 Val1 = Builder.CreateZExt(Val1, Int64Ty); 3467 3468 Value *ShiftCst = llvm::ConstantInt::get(Int64Ty, 32); 3469 Val = Builder.CreateShl(Val0, ShiftCst, "shl", true /* nuw */); 3470 Val = Builder.CreateOr(Val, Val1); 3471 return Builder.CreateBitCast(Val, ConvertType(E->getType())); 3472 } 3473 3474 if (BuiltinID == ARM::BI__builtin_arm_ldrex || 3475 BuiltinID == ARM::BI__builtin_arm_ldaex) { 3476 Value *LoadAddr = EmitScalarExpr(E->getArg(0)); 3477 3478 QualType Ty = E->getType(); 3479 llvm::Type *RealResTy = ConvertType(Ty); 3480 llvm::Type *IntResTy = llvm::IntegerType::get(getLLVMContext(), 3481 getContext().getTypeSize(Ty)); 3482 LoadAddr = Builder.CreateBitCast(LoadAddr, IntResTy->getPointerTo()); 3483 3484 Function *F = CGM.getIntrinsic(BuiltinID == ARM::BI__builtin_arm_ldaex 3485 ? Intrinsic::arm_ldaex 3486 : Intrinsic::arm_ldrex, 3487 LoadAddr->getType()); 3488 Value *Val = Builder.CreateCall(F, LoadAddr, "ldrex"); 3489 3490 if (RealResTy->isPointerTy()) 3491 return Builder.CreateIntToPtr(Val, RealResTy); 3492 else { 3493 Val = Builder.CreateTruncOrBitCast(Val, IntResTy); 3494 return Builder.CreateBitCast(Val, RealResTy); 3495 } 3496 } 3497 3498 if (BuiltinID == ARM::BI__builtin_arm_strexd || 3499 ((BuiltinID == ARM::BI__builtin_arm_stlex || 3500 BuiltinID == ARM::BI__builtin_arm_strex) && 3501 getContext().getTypeSize(E->getArg(0)->getType()) == 64)) { 3502 Function *F = CGM.getIntrinsic(BuiltinID == ARM::BI__builtin_arm_stlex 3503 ? Intrinsic::arm_stlexd 3504 : Intrinsic::arm_strexd); 3505 llvm::Type *STy = llvm::StructType::get(Int32Ty, Int32Ty, nullptr); 3506 3507 Value *Tmp = CreateMemTemp(E->getArg(0)->getType()); 3508 Value *Val = EmitScalarExpr(E->getArg(0)); 3509 Builder.CreateStore(Val, Tmp); 3510 3511 Value *LdPtr = Builder.CreateBitCast(Tmp,llvm::PointerType::getUnqual(STy)); 3512 Val = Builder.CreateLoad(LdPtr); 3513 3514 Value *Arg0 = Builder.CreateExtractValue(Val, 0); 3515 Value *Arg1 = Builder.CreateExtractValue(Val, 1); 3516 Value *StPtr = Builder.CreateBitCast(EmitScalarExpr(E->getArg(1)), Int8PtrTy); 3517 return Builder.CreateCall(F, {Arg0, Arg1, StPtr}, "strexd"); 3518 } 3519 3520 if (BuiltinID == ARM::BI__builtin_arm_strex || 3521 BuiltinID == ARM::BI__builtin_arm_stlex) { 3522 Value *StoreVal = EmitScalarExpr(E->getArg(0)); 3523 Value *StoreAddr = EmitScalarExpr(E->getArg(1)); 3524 3525 QualType Ty = E->getArg(0)->getType(); 3526 llvm::Type *StoreTy = llvm::IntegerType::get(getLLVMContext(), 3527 getContext().getTypeSize(Ty)); 3528 StoreAddr = Builder.CreateBitCast(StoreAddr, StoreTy->getPointerTo()); 3529 3530 if (StoreVal->getType()->isPointerTy()) 3531 StoreVal = Builder.CreatePtrToInt(StoreVal, Int32Ty); 3532 else { 3533 StoreVal = Builder.CreateBitCast(StoreVal, StoreTy); 3534 StoreVal = Builder.CreateZExtOrBitCast(StoreVal, Int32Ty); 3535 } 3536 3537 Function *F = CGM.getIntrinsic(BuiltinID == ARM::BI__builtin_arm_stlex 3538 ? Intrinsic::arm_stlex 3539 : Intrinsic::arm_strex, 3540 StoreAddr->getType()); 3541 return Builder.CreateCall(F, {StoreVal, StoreAddr}, "strex"); 3542 } 3543 3544 if (BuiltinID == ARM::BI__builtin_arm_clrex) { 3545 Function *F = CGM.getIntrinsic(Intrinsic::arm_clrex); 3546 return Builder.CreateCall(F); 3547 } 3548 3549 // CRC32 3550 Intrinsic::ID CRCIntrinsicID = Intrinsic::not_intrinsic; 3551 switch (BuiltinID) { 3552 case ARM::BI__builtin_arm_crc32b: 3553 CRCIntrinsicID = Intrinsic::arm_crc32b; break; 3554 case ARM::BI__builtin_arm_crc32cb: 3555 CRCIntrinsicID = Intrinsic::arm_crc32cb; break; 3556 case ARM::BI__builtin_arm_crc32h: 3557 CRCIntrinsicID = Intrinsic::arm_crc32h; break; 3558 case ARM::BI__builtin_arm_crc32ch: 3559 CRCIntrinsicID = Intrinsic::arm_crc32ch; break; 3560 case ARM::BI__builtin_arm_crc32w: 3561 case ARM::BI__builtin_arm_crc32d: 3562 CRCIntrinsicID = Intrinsic::arm_crc32w; break; 3563 case ARM::BI__builtin_arm_crc32cw: 3564 case ARM::BI__builtin_arm_crc32cd: 3565 CRCIntrinsicID = Intrinsic::arm_crc32cw; break; 3566 } 3567 3568 if (CRCIntrinsicID != Intrinsic::not_intrinsic) { 3569 Value *Arg0 = EmitScalarExpr(E->getArg(0)); 3570 Value *Arg1 = EmitScalarExpr(E->getArg(1)); 3571 3572 // crc32{c,}d intrinsics are implemnted as two calls to crc32{c,}w 3573 // intrinsics, hence we need different codegen for these cases. 3574 if (BuiltinID == ARM::BI__builtin_arm_crc32d || 3575 BuiltinID == ARM::BI__builtin_arm_crc32cd) { 3576 Value *C1 = llvm::ConstantInt::get(Int64Ty, 32); 3577 Value *Arg1a = Builder.CreateTruncOrBitCast(Arg1, Int32Ty); 3578 Value *Arg1b = Builder.CreateLShr(Arg1, C1); 3579 Arg1b = Builder.CreateTruncOrBitCast(Arg1b, Int32Ty); 3580 3581 Function *F = CGM.getIntrinsic(CRCIntrinsicID); 3582 Value *Res = Builder.CreateCall(F, {Arg0, Arg1a}); 3583 return Builder.CreateCall(F, {Res, Arg1b}); 3584 } else { 3585 Arg1 = Builder.CreateZExtOrBitCast(Arg1, Int32Ty); 3586 3587 Function *F = CGM.getIntrinsic(CRCIntrinsicID); 3588 return Builder.CreateCall(F, {Arg0, Arg1}); 3589 } 3590 } 3591 3592 if (BuiltinID == ARM::BI__builtin_arm_rsr || 3593 BuiltinID == ARM::BI__builtin_arm_rsr64 || 3594 BuiltinID == ARM::BI__builtin_arm_rsrp || 3595 BuiltinID == ARM::BI__builtin_arm_wsr || 3596 BuiltinID == ARM::BI__builtin_arm_wsr64 || 3597 BuiltinID == ARM::BI__builtin_arm_wsrp) { 3598 3599 bool IsRead = BuiltinID == ARM::BI__builtin_arm_rsr || 3600 BuiltinID == ARM::BI__builtin_arm_rsr64 || 3601 BuiltinID == ARM::BI__builtin_arm_rsrp; 3602 3603 bool IsPointerBuiltin = BuiltinID == ARM::BI__builtin_arm_rsrp || 3604 BuiltinID == ARM::BI__builtin_arm_wsrp; 3605 3606 bool Is64Bit = BuiltinID == ARM::BI__builtin_arm_rsr64 || 3607 BuiltinID == ARM::BI__builtin_arm_wsr64; 3608 3609 llvm::Type *ValueType; 3610 llvm::Type *RegisterType; 3611 if (IsPointerBuiltin) { 3612 ValueType = VoidPtrTy; 3613 RegisterType = Int32Ty; 3614 } else if (Is64Bit) { 3615 ValueType = RegisterType = Int64Ty; 3616 } else { 3617 ValueType = RegisterType = Int32Ty; 3618 } 3619 3620 return EmitSpecialRegisterBuiltin(*this, E, RegisterType, ValueType, IsRead); 3621 } 3622 3623 // Find out if any arguments are required to be integer constant 3624 // expressions. 3625 unsigned ICEArguments = 0; 3626 ASTContext::GetBuiltinTypeError Error; 3627 getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments); 3628 assert(Error == ASTContext::GE_None && "Should not codegen an error"); 3629 3630 SmallVector<Value*, 4> Ops; 3631 llvm::Value *Align = nullptr; 3632 bool HasExtraArg = HasExtraNeonArgument(BuiltinID); 3633 unsigned NumArgs = E->getNumArgs() - (HasExtraArg ? 1 : 0); 3634 for (unsigned i = 0, e = NumArgs; i != e; i++) { 3635 if (i == 0) { 3636 switch (BuiltinID) { 3637 case NEON::BI__builtin_neon_vld1_v: 3638 case NEON::BI__builtin_neon_vld1q_v: 3639 case NEON::BI__builtin_neon_vld1q_lane_v: 3640 case NEON::BI__builtin_neon_vld1_lane_v: 3641 case NEON::BI__builtin_neon_vld1_dup_v: 3642 case NEON::BI__builtin_neon_vld1q_dup_v: 3643 case NEON::BI__builtin_neon_vst1_v: 3644 case NEON::BI__builtin_neon_vst1q_v: 3645 case NEON::BI__builtin_neon_vst1q_lane_v: 3646 case NEON::BI__builtin_neon_vst1_lane_v: 3647 case NEON::BI__builtin_neon_vst2_v: 3648 case NEON::BI__builtin_neon_vst2q_v: 3649 case NEON::BI__builtin_neon_vst2_lane_v: 3650 case NEON::BI__builtin_neon_vst2q_lane_v: 3651 case NEON::BI__builtin_neon_vst3_v: 3652 case NEON::BI__builtin_neon_vst3q_v: 3653 case NEON::BI__builtin_neon_vst3_lane_v: 3654 case NEON::BI__builtin_neon_vst3q_lane_v: 3655 case NEON::BI__builtin_neon_vst4_v: 3656 case NEON::BI__builtin_neon_vst4q_v: 3657 case NEON::BI__builtin_neon_vst4_lane_v: 3658 case NEON::BI__builtin_neon_vst4q_lane_v: 3659 // Get the alignment for the argument in addition to the value; 3660 // we'll use it later. 3661 std::pair<llvm::Value*, unsigned> Src = 3662 EmitPointerWithAlignment(E->getArg(0)); 3663 Ops.push_back(Src.first); 3664 Align = Builder.getInt32(Src.second); 3665 continue; 3666 } 3667 } 3668 if (i == 1) { 3669 switch (BuiltinID) { 3670 case NEON::BI__builtin_neon_vld2_v: 3671 case NEON::BI__builtin_neon_vld2q_v: 3672 case NEON::BI__builtin_neon_vld3_v: 3673 case NEON::BI__builtin_neon_vld3q_v: 3674 case NEON::BI__builtin_neon_vld4_v: 3675 case NEON::BI__builtin_neon_vld4q_v: 3676 case NEON::BI__builtin_neon_vld2_lane_v: 3677 case NEON::BI__builtin_neon_vld2q_lane_v: 3678 case NEON::BI__builtin_neon_vld3_lane_v: 3679 case NEON::BI__builtin_neon_vld3q_lane_v: 3680 case NEON::BI__builtin_neon_vld4_lane_v: 3681 case NEON::BI__builtin_neon_vld4q_lane_v: 3682 case NEON::BI__builtin_neon_vld2_dup_v: 3683 case NEON::BI__builtin_neon_vld3_dup_v: 3684 case NEON::BI__builtin_neon_vld4_dup_v: 3685 // Get the alignment for the argument in addition to the value; 3686 // we'll use it later. 3687 std::pair<llvm::Value*, unsigned> Src = 3688 EmitPointerWithAlignment(E->getArg(1)); 3689 Ops.push_back(Src.first); 3690 Align = Builder.getInt32(Src.second); 3691 continue; 3692 } 3693 } 3694 3695 if ((ICEArguments & (1 << i)) == 0) { 3696 Ops.push_back(EmitScalarExpr(E->getArg(i))); 3697 } else { 3698 // If this is required to be a constant, constant fold it so that we know 3699 // that the generated intrinsic gets a ConstantInt. 3700 llvm::APSInt Result; 3701 bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result, getContext()); 3702 assert(IsConst && "Constant arg isn't actually constant?"); (void)IsConst; 3703 Ops.push_back(llvm::ConstantInt::get(getLLVMContext(), Result)); 3704 } 3705 } 3706 3707 switch (BuiltinID) { 3708 default: break; 3709 3710 case NEON::BI__builtin_neon_vget_lane_i8: 3711 case NEON::BI__builtin_neon_vget_lane_i16: 3712 case NEON::BI__builtin_neon_vget_lane_i32: 3713 case NEON::BI__builtin_neon_vget_lane_i64: 3714 case NEON::BI__builtin_neon_vget_lane_f32: 3715 case NEON::BI__builtin_neon_vgetq_lane_i8: 3716 case NEON::BI__builtin_neon_vgetq_lane_i16: 3717 case NEON::BI__builtin_neon_vgetq_lane_i32: 3718 case NEON::BI__builtin_neon_vgetq_lane_i64: 3719 case NEON::BI__builtin_neon_vgetq_lane_f32: 3720 return Builder.CreateExtractElement(Ops[0], Ops[1], "vget_lane"); 3721 3722 case NEON::BI__builtin_neon_vset_lane_i8: 3723 case NEON::BI__builtin_neon_vset_lane_i16: 3724 case NEON::BI__builtin_neon_vset_lane_i32: 3725 case NEON::BI__builtin_neon_vset_lane_i64: 3726 case NEON::BI__builtin_neon_vset_lane_f32: 3727 case NEON::BI__builtin_neon_vsetq_lane_i8: 3728 case NEON::BI__builtin_neon_vsetq_lane_i16: 3729 case NEON::BI__builtin_neon_vsetq_lane_i32: 3730 case NEON::BI__builtin_neon_vsetq_lane_i64: 3731 case NEON::BI__builtin_neon_vsetq_lane_f32: 3732 return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vset_lane"); 3733 3734 case NEON::BI__builtin_neon_vsha1h_u32: 3735 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_sha1h), Ops, 3736 "vsha1h"); 3737 case NEON::BI__builtin_neon_vsha1cq_u32: 3738 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_sha1c), Ops, 3739 "vsha1h"); 3740 case NEON::BI__builtin_neon_vsha1pq_u32: 3741 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_sha1p), Ops, 3742 "vsha1h"); 3743 case NEON::BI__builtin_neon_vsha1mq_u32: 3744 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_sha1m), Ops, 3745 "vsha1h"); 3746 3747 // The ARM _MoveToCoprocessor builtins put the input register value as 3748 // the first argument, but the LLVM intrinsic expects it as the third one. 3749 case ARM::BI_MoveToCoprocessor: 3750 case ARM::BI_MoveToCoprocessor2: { 3751 Function *F = CGM.getIntrinsic(BuiltinID == ARM::BI_MoveToCoprocessor ? 3752 Intrinsic::arm_mcr : Intrinsic::arm_mcr2); 3753 return Builder.CreateCall(F, {Ops[1], Ops[2], Ops[0], 3754 Ops[3], Ops[4], Ops[5]}); 3755 } 3756 } 3757 3758 // Get the last argument, which specifies the vector type. 3759 assert(HasExtraArg); 3760 llvm::APSInt Result; 3761 const Expr *Arg = E->getArg(E->getNumArgs()-1); 3762 if (!Arg->isIntegerConstantExpr(Result, getContext())) 3763 return nullptr; 3764 3765 if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f || 3766 BuiltinID == ARM::BI__builtin_arm_vcvtr_d) { 3767 // Determine the overloaded type of this builtin. 3768 llvm::Type *Ty; 3769 if (BuiltinID == ARM::BI__builtin_arm_vcvtr_f) 3770 Ty = FloatTy; 3771 else 3772 Ty = DoubleTy; 3773 3774 // Determine whether this is an unsigned conversion or not. 3775 bool usgn = Result.getZExtValue() == 1; 3776 unsigned Int = usgn ? Intrinsic::arm_vcvtru : Intrinsic::arm_vcvtr; 3777 3778 // Call the appropriate intrinsic. 3779 Function *F = CGM.getIntrinsic(Int, Ty); 3780 return Builder.CreateCall(F, Ops, "vcvtr"); 3781 } 3782 3783 // Determine the type of this overloaded NEON intrinsic. 3784 NeonTypeFlags Type(Result.getZExtValue()); 3785 bool usgn = Type.isUnsigned(); 3786 bool rightShift = false; 3787 3788 llvm::VectorType *VTy = GetNeonType(this, Type); 3789 llvm::Type *Ty = VTy; 3790 if (!Ty) 3791 return nullptr; 3792 3793 // Many NEON builtins have identical semantics and uses in ARM and 3794 // AArch64. Emit these in a single function. 3795 auto IntrinsicMap = makeArrayRef(ARMSIMDIntrinsicMap); 3796 const NeonIntrinsicInfo *Builtin = findNeonIntrinsicInMap( 3797 IntrinsicMap, BuiltinID, NEONSIMDIntrinsicsProvenSorted); 3798 if (Builtin) 3799 return EmitCommonNeonBuiltinExpr( 3800 Builtin->BuiltinID, Builtin->LLVMIntrinsic, Builtin->AltLLVMIntrinsic, 3801 Builtin->NameHint, Builtin->TypeModifier, E, Ops, Align); 3802 3803 unsigned Int; 3804 switch (BuiltinID) { 3805 default: return nullptr; 3806 case NEON::BI__builtin_neon_vld1q_lane_v: 3807 // Handle 64-bit integer elements as a special case. Use shuffles of 3808 // one-element vectors to avoid poor code for i64 in the backend. 3809 if (VTy->getElementType()->isIntegerTy(64)) { 3810 // Extract the other lane. 3811 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3812 int Lane = cast<ConstantInt>(Ops[2])->getZExtValue(); 3813 Value *SV = llvm::ConstantVector::get(ConstantInt::get(Int32Ty, 1-Lane)); 3814 Ops[1] = Builder.CreateShuffleVector(Ops[1], Ops[1], SV); 3815 // Load the value as a one-element vector. 3816 Ty = llvm::VectorType::get(VTy->getElementType(), 1); 3817 Function *F = CGM.getIntrinsic(Intrinsic::arm_neon_vld1, Ty); 3818 Value *Ld = Builder.CreateCall(F, {Ops[0], Align}); 3819 // Combine them. 3820 SmallVector<Constant*, 2> Indices; 3821 Indices.push_back(ConstantInt::get(Int32Ty, 1-Lane)); 3822 Indices.push_back(ConstantInt::get(Int32Ty, Lane)); 3823 SV = llvm::ConstantVector::get(Indices); 3824 return Builder.CreateShuffleVector(Ops[1], Ld, SV, "vld1q_lane"); 3825 } 3826 // fall through 3827 case NEON::BI__builtin_neon_vld1_lane_v: { 3828 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3829 Ty = llvm::PointerType::getUnqual(VTy->getElementType()); 3830 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3831 LoadInst *Ld = Builder.CreateLoad(Ops[0]); 3832 Ld->setAlignment(cast<ConstantInt>(Align)->getZExtValue()); 3833 return Builder.CreateInsertElement(Ops[1], Ld, Ops[2], "vld1_lane"); 3834 } 3835 case NEON::BI__builtin_neon_vld2_dup_v: 3836 case NEON::BI__builtin_neon_vld3_dup_v: 3837 case NEON::BI__builtin_neon_vld4_dup_v: { 3838 // Handle 64-bit elements as a special-case. There is no "dup" needed. 3839 if (VTy->getElementType()->getPrimitiveSizeInBits() == 64) { 3840 switch (BuiltinID) { 3841 case NEON::BI__builtin_neon_vld2_dup_v: 3842 Int = Intrinsic::arm_neon_vld2; 3843 break; 3844 case NEON::BI__builtin_neon_vld3_dup_v: 3845 Int = Intrinsic::arm_neon_vld3; 3846 break; 3847 case NEON::BI__builtin_neon_vld4_dup_v: 3848 Int = Intrinsic::arm_neon_vld4; 3849 break; 3850 default: llvm_unreachable("unknown vld_dup intrinsic?"); 3851 } 3852 Function *F = CGM.getIntrinsic(Int, Ty); 3853 Ops[1] = Builder.CreateCall(F, {Ops[1], Align}, "vld_dup"); 3854 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 3855 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3856 return Builder.CreateStore(Ops[1], Ops[0]); 3857 } 3858 switch (BuiltinID) { 3859 case NEON::BI__builtin_neon_vld2_dup_v: 3860 Int = Intrinsic::arm_neon_vld2lane; 3861 break; 3862 case NEON::BI__builtin_neon_vld3_dup_v: 3863 Int = Intrinsic::arm_neon_vld3lane; 3864 break; 3865 case NEON::BI__builtin_neon_vld4_dup_v: 3866 Int = Intrinsic::arm_neon_vld4lane; 3867 break; 3868 default: llvm_unreachable("unknown vld_dup intrinsic?"); 3869 } 3870 Function *F = CGM.getIntrinsic(Int, Ty); 3871 llvm::StructType *STy = cast<llvm::StructType>(F->getReturnType()); 3872 3873 SmallVector<Value*, 6> Args; 3874 Args.push_back(Ops[1]); 3875 Args.append(STy->getNumElements(), UndefValue::get(Ty)); 3876 3877 llvm::Constant *CI = ConstantInt::get(Int32Ty, 0); 3878 Args.push_back(CI); 3879 Args.push_back(Align); 3880 3881 Ops[1] = Builder.CreateCall(F, Args, "vld_dup"); 3882 // splat lane 0 to all elts in each vector of the result. 3883 for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) { 3884 Value *Val = Builder.CreateExtractValue(Ops[1], i); 3885 Value *Elt = Builder.CreateBitCast(Val, Ty); 3886 Elt = EmitNeonSplat(Elt, CI); 3887 Elt = Builder.CreateBitCast(Elt, Val->getType()); 3888 Ops[1] = Builder.CreateInsertValue(Ops[1], Elt, i); 3889 } 3890 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 3891 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3892 return Builder.CreateStore(Ops[1], Ops[0]); 3893 } 3894 case NEON::BI__builtin_neon_vqrshrn_n_v: 3895 Int = 3896 usgn ? Intrinsic::arm_neon_vqrshiftnu : Intrinsic::arm_neon_vqrshiftns; 3897 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqrshrn_n", 3898 1, true); 3899 case NEON::BI__builtin_neon_vqrshrun_n_v: 3900 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqrshiftnsu, Ty), 3901 Ops, "vqrshrun_n", 1, true); 3902 case NEON::BI__builtin_neon_vqshrn_n_v: 3903 Int = usgn ? Intrinsic::arm_neon_vqshiftnu : Intrinsic::arm_neon_vqshiftns; 3904 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshrn_n", 3905 1, true); 3906 case NEON::BI__builtin_neon_vqshrun_n_v: 3907 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vqshiftnsu, Ty), 3908 Ops, "vqshrun_n", 1, true); 3909 case NEON::BI__builtin_neon_vrecpe_v: 3910 case NEON::BI__builtin_neon_vrecpeq_v: 3911 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrecpe, Ty), 3912 Ops, "vrecpe"); 3913 case NEON::BI__builtin_neon_vrshrn_n_v: 3914 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vrshiftn, Ty), 3915 Ops, "vrshrn_n", 1, true); 3916 case NEON::BI__builtin_neon_vrsra_n_v: 3917 case NEON::BI__builtin_neon_vrsraq_n_v: 3918 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3919 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3920 Ops[2] = EmitNeonShiftVector(Ops[2], Ty, true); 3921 Int = usgn ? Intrinsic::arm_neon_vrshiftu : Intrinsic::arm_neon_vrshifts; 3922 Ops[1] = Builder.CreateCall(CGM.getIntrinsic(Int, Ty), {Ops[1], Ops[2]}); 3923 return Builder.CreateAdd(Ops[0], Ops[1], "vrsra_n"); 3924 case NEON::BI__builtin_neon_vsri_n_v: 3925 case NEON::BI__builtin_neon_vsriq_n_v: 3926 rightShift = true; 3927 case NEON::BI__builtin_neon_vsli_n_v: 3928 case NEON::BI__builtin_neon_vsliq_n_v: 3929 Ops[2] = EmitNeonShiftVector(Ops[2], Ty, rightShift); 3930 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vshiftins, Ty), 3931 Ops, "vsli_n"); 3932 case NEON::BI__builtin_neon_vsra_n_v: 3933 case NEON::BI__builtin_neon_vsraq_n_v: 3934 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 3935 Ops[1] = EmitNeonRShiftImm(Ops[1], Ops[2], Ty, usgn, "vsra_n"); 3936 return Builder.CreateAdd(Ops[0], Ops[1]); 3937 case NEON::BI__builtin_neon_vst1q_lane_v: 3938 // Handle 64-bit integer elements as a special case. Use a shuffle to get 3939 // a one-element vector and avoid poor code for i64 in the backend. 3940 if (VTy->getElementType()->isIntegerTy(64)) { 3941 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3942 Value *SV = llvm::ConstantVector::get(cast<llvm::Constant>(Ops[2])); 3943 Ops[1] = Builder.CreateShuffleVector(Ops[1], Ops[1], SV); 3944 Ops[2] = Align; 3945 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_neon_vst1, 3946 Ops[1]->getType()), Ops); 3947 } 3948 // fall through 3949 case NEON::BI__builtin_neon_vst1_lane_v: { 3950 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 3951 Ops[1] = Builder.CreateExtractElement(Ops[1], Ops[2]); 3952 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 3953 StoreInst *St = Builder.CreateStore(Ops[1], 3954 Builder.CreateBitCast(Ops[0], Ty)); 3955 St->setAlignment(cast<ConstantInt>(Align)->getZExtValue()); 3956 return St; 3957 } 3958 case NEON::BI__builtin_neon_vtbl1_v: 3959 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl1), 3960 Ops, "vtbl1"); 3961 case NEON::BI__builtin_neon_vtbl2_v: 3962 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl2), 3963 Ops, "vtbl2"); 3964 case NEON::BI__builtin_neon_vtbl3_v: 3965 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl3), 3966 Ops, "vtbl3"); 3967 case NEON::BI__builtin_neon_vtbl4_v: 3968 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbl4), 3969 Ops, "vtbl4"); 3970 case NEON::BI__builtin_neon_vtbx1_v: 3971 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx1), 3972 Ops, "vtbx1"); 3973 case NEON::BI__builtin_neon_vtbx2_v: 3974 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx2), 3975 Ops, "vtbx2"); 3976 case NEON::BI__builtin_neon_vtbx3_v: 3977 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx3), 3978 Ops, "vtbx3"); 3979 case NEON::BI__builtin_neon_vtbx4_v: 3980 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::arm_neon_vtbx4), 3981 Ops, "vtbx4"); 3982 } 3983 } 3984 3985 static Value *EmitAArch64TblBuiltinExpr(CodeGenFunction &CGF, unsigned BuiltinID, 3986 const CallExpr *E, 3987 SmallVectorImpl<Value *> &Ops) { 3988 unsigned int Int = 0; 3989 const char *s = nullptr; 3990 3991 switch (BuiltinID) { 3992 default: 3993 return nullptr; 3994 case NEON::BI__builtin_neon_vtbl1_v: 3995 case NEON::BI__builtin_neon_vqtbl1_v: 3996 case NEON::BI__builtin_neon_vqtbl1q_v: 3997 case NEON::BI__builtin_neon_vtbl2_v: 3998 case NEON::BI__builtin_neon_vqtbl2_v: 3999 case NEON::BI__builtin_neon_vqtbl2q_v: 4000 case NEON::BI__builtin_neon_vtbl3_v: 4001 case NEON::BI__builtin_neon_vqtbl3_v: 4002 case NEON::BI__builtin_neon_vqtbl3q_v: 4003 case NEON::BI__builtin_neon_vtbl4_v: 4004 case NEON::BI__builtin_neon_vqtbl4_v: 4005 case NEON::BI__builtin_neon_vqtbl4q_v: 4006 break; 4007 case NEON::BI__builtin_neon_vtbx1_v: 4008 case NEON::BI__builtin_neon_vqtbx1_v: 4009 case NEON::BI__builtin_neon_vqtbx1q_v: 4010 case NEON::BI__builtin_neon_vtbx2_v: 4011 case NEON::BI__builtin_neon_vqtbx2_v: 4012 case NEON::BI__builtin_neon_vqtbx2q_v: 4013 case NEON::BI__builtin_neon_vtbx3_v: 4014 case NEON::BI__builtin_neon_vqtbx3_v: 4015 case NEON::BI__builtin_neon_vqtbx3q_v: 4016 case NEON::BI__builtin_neon_vtbx4_v: 4017 case NEON::BI__builtin_neon_vqtbx4_v: 4018 case NEON::BI__builtin_neon_vqtbx4q_v: 4019 break; 4020 } 4021 4022 assert(E->getNumArgs() >= 3); 4023 4024 // Get the last argument, which specifies the vector type. 4025 llvm::APSInt Result; 4026 const Expr *Arg = E->getArg(E->getNumArgs() - 1); 4027 if (!Arg->isIntegerConstantExpr(Result, CGF.getContext())) 4028 return nullptr; 4029 4030 // Determine the type of this overloaded NEON intrinsic. 4031 NeonTypeFlags Type(Result.getZExtValue()); 4032 llvm::VectorType *VTy = GetNeonType(&CGF, Type); 4033 llvm::Type *Ty = VTy; 4034 if (!Ty) 4035 return nullptr; 4036 4037 unsigned nElts = VTy->getNumElements(); 4038 4039 CodeGen::CGBuilderTy &Builder = CGF.Builder; 4040 4041 // AArch64 scalar builtins are not overloaded, they do not have an extra 4042 // argument that specifies the vector type, need to handle each case. 4043 SmallVector<Value *, 2> TblOps; 4044 switch (BuiltinID) { 4045 case NEON::BI__builtin_neon_vtbl1_v: { 4046 TblOps.push_back(Ops[0]); 4047 return packTBLDVectorList(CGF, TblOps, nullptr, Ops[1], Ty, 4048 Intrinsic::aarch64_neon_tbl1, "vtbl1"); 4049 } 4050 case NEON::BI__builtin_neon_vtbl2_v: { 4051 TblOps.push_back(Ops[0]); 4052 TblOps.push_back(Ops[1]); 4053 return packTBLDVectorList(CGF, TblOps, nullptr, Ops[2], Ty, 4054 Intrinsic::aarch64_neon_tbl1, "vtbl1"); 4055 } 4056 case NEON::BI__builtin_neon_vtbl3_v: { 4057 TblOps.push_back(Ops[0]); 4058 TblOps.push_back(Ops[1]); 4059 TblOps.push_back(Ops[2]); 4060 return packTBLDVectorList(CGF, TblOps, nullptr, Ops[3], Ty, 4061 Intrinsic::aarch64_neon_tbl2, "vtbl2"); 4062 } 4063 case NEON::BI__builtin_neon_vtbl4_v: { 4064 TblOps.push_back(Ops[0]); 4065 TblOps.push_back(Ops[1]); 4066 TblOps.push_back(Ops[2]); 4067 TblOps.push_back(Ops[3]); 4068 return packTBLDVectorList(CGF, TblOps, nullptr, Ops[4], Ty, 4069 Intrinsic::aarch64_neon_tbl2, "vtbl2"); 4070 } 4071 case NEON::BI__builtin_neon_vtbx1_v: { 4072 TblOps.push_back(Ops[1]); 4073 Value *TblRes = packTBLDVectorList(CGF, TblOps, nullptr, Ops[2], Ty, 4074 Intrinsic::aarch64_neon_tbl1, "vtbl1"); 4075 4076 llvm::Constant *Eight = ConstantInt::get(VTy->getElementType(), 8); 4077 Value* EightV = llvm::ConstantVector::getSplat(nElts, Eight); 4078 Value *CmpRes = Builder.CreateICmp(ICmpInst::ICMP_UGE, Ops[2], EightV); 4079 CmpRes = Builder.CreateSExt(CmpRes, Ty); 4080 4081 Value *EltsFromInput = Builder.CreateAnd(CmpRes, Ops[0]); 4082 Value *EltsFromTbl = Builder.CreateAnd(Builder.CreateNot(CmpRes), TblRes); 4083 return Builder.CreateOr(EltsFromInput, EltsFromTbl, "vtbx"); 4084 } 4085 case NEON::BI__builtin_neon_vtbx2_v: { 4086 TblOps.push_back(Ops[1]); 4087 TblOps.push_back(Ops[2]); 4088 return packTBLDVectorList(CGF, TblOps, Ops[0], Ops[3], Ty, 4089 Intrinsic::aarch64_neon_tbx1, "vtbx1"); 4090 } 4091 case NEON::BI__builtin_neon_vtbx3_v: { 4092 TblOps.push_back(Ops[1]); 4093 TblOps.push_back(Ops[2]); 4094 TblOps.push_back(Ops[3]); 4095 Value *TblRes = packTBLDVectorList(CGF, TblOps, nullptr, Ops[4], Ty, 4096 Intrinsic::aarch64_neon_tbl2, "vtbl2"); 4097 4098 llvm::Constant *TwentyFour = ConstantInt::get(VTy->getElementType(), 24); 4099 Value* TwentyFourV = llvm::ConstantVector::getSplat(nElts, TwentyFour); 4100 Value *CmpRes = Builder.CreateICmp(ICmpInst::ICMP_UGE, Ops[4], 4101 TwentyFourV); 4102 CmpRes = Builder.CreateSExt(CmpRes, Ty); 4103 4104 Value *EltsFromInput = Builder.CreateAnd(CmpRes, Ops[0]); 4105 Value *EltsFromTbl = Builder.CreateAnd(Builder.CreateNot(CmpRes), TblRes); 4106 return Builder.CreateOr(EltsFromInput, EltsFromTbl, "vtbx"); 4107 } 4108 case NEON::BI__builtin_neon_vtbx4_v: { 4109 TblOps.push_back(Ops[1]); 4110 TblOps.push_back(Ops[2]); 4111 TblOps.push_back(Ops[3]); 4112 TblOps.push_back(Ops[4]); 4113 return packTBLDVectorList(CGF, TblOps, Ops[0], Ops[5], Ty, 4114 Intrinsic::aarch64_neon_tbx2, "vtbx2"); 4115 } 4116 case NEON::BI__builtin_neon_vqtbl1_v: 4117 case NEON::BI__builtin_neon_vqtbl1q_v: 4118 Int = Intrinsic::aarch64_neon_tbl1; s = "vtbl1"; break; 4119 case NEON::BI__builtin_neon_vqtbl2_v: 4120 case NEON::BI__builtin_neon_vqtbl2q_v: { 4121 Int = Intrinsic::aarch64_neon_tbl2; s = "vtbl2"; break; 4122 case NEON::BI__builtin_neon_vqtbl3_v: 4123 case NEON::BI__builtin_neon_vqtbl3q_v: 4124 Int = Intrinsic::aarch64_neon_tbl3; s = "vtbl3"; break; 4125 case NEON::BI__builtin_neon_vqtbl4_v: 4126 case NEON::BI__builtin_neon_vqtbl4q_v: 4127 Int = Intrinsic::aarch64_neon_tbl4; s = "vtbl4"; break; 4128 case NEON::BI__builtin_neon_vqtbx1_v: 4129 case NEON::BI__builtin_neon_vqtbx1q_v: 4130 Int = Intrinsic::aarch64_neon_tbx1; s = "vtbx1"; break; 4131 case NEON::BI__builtin_neon_vqtbx2_v: 4132 case NEON::BI__builtin_neon_vqtbx2q_v: 4133 Int = Intrinsic::aarch64_neon_tbx2; s = "vtbx2"; break; 4134 case NEON::BI__builtin_neon_vqtbx3_v: 4135 case NEON::BI__builtin_neon_vqtbx3q_v: 4136 Int = Intrinsic::aarch64_neon_tbx3; s = "vtbx3"; break; 4137 case NEON::BI__builtin_neon_vqtbx4_v: 4138 case NEON::BI__builtin_neon_vqtbx4q_v: 4139 Int = Intrinsic::aarch64_neon_tbx4; s = "vtbx4"; break; 4140 } 4141 } 4142 4143 if (!Int) 4144 return nullptr; 4145 4146 Function *F = CGF.CGM.getIntrinsic(Int, Ty); 4147 return CGF.EmitNeonCall(F, Ops, s); 4148 } 4149 4150 Value *CodeGenFunction::vectorWrapScalar16(Value *Op) { 4151 llvm::Type *VTy = llvm::VectorType::get(Int16Ty, 4); 4152 Op = Builder.CreateBitCast(Op, Int16Ty); 4153 Value *V = UndefValue::get(VTy); 4154 llvm::Constant *CI = ConstantInt::get(SizeTy, 0); 4155 Op = Builder.CreateInsertElement(V, Op, CI); 4156 return Op; 4157 } 4158 4159 Value *CodeGenFunction::vectorWrapScalar8(Value *Op) { 4160 llvm::Type *VTy = llvm::VectorType::get(Int8Ty, 8); 4161 Op = Builder.CreateBitCast(Op, Int8Ty); 4162 Value *V = UndefValue::get(VTy); 4163 llvm::Constant *CI = ConstantInt::get(SizeTy, 0); 4164 Op = Builder.CreateInsertElement(V, Op, CI); 4165 return Op; 4166 } 4167 4168 Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID, 4169 const CallExpr *E) { 4170 unsigned HintID = static_cast<unsigned>(-1); 4171 switch (BuiltinID) { 4172 default: break; 4173 case AArch64::BI__builtin_arm_nop: 4174 HintID = 0; 4175 break; 4176 case AArch64::BI__builtin_arm_yield: 4177 HintID = 1; 4178 break; 4179 case AArch64::BI__builtin_arm_wfe: 4180 HintID = 2; 4181 break; 4182 case AArch64::BI__builtin_arm_wfi: 4183 HintID = 3; 4184 break; 4185 case AArch64::BI__builtin_arm_sev: 4186 HintID = 4; 4187 break; 4188 case AArch64::BI__builtin_arm_sevl: 4189 HintID = 5; 4190 break; 4191 } 4192 4193 if (HintID != static_cast<unsigned>(-1)) { 4194 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_hint); 4195 return Builder.CreateCall(F, llvm::ConstantInt::get(Int32Ty, HintID)); 4196 } 4197 4198 if (BuiltinID == AArch64::BI__builtin_arm_prefetch) { 4199 Value *Address = EmitScalarExpr(E->getArg(0)); 4200 Value *RW = EmitScalarExpr(E->getArg(1)); 4201 Value *CacheLevel = EmitScalarExpr(E->getArg(2)); 4202 Value *RetentionPolicy = EmitScalarExpr(E->getArg(3)); 4203 Value *IsData = EmitScalarExpr(E->getArg(4)); 4204 4205 Value *Locality = nullptr; 4206 if (cast<llvm::ConstantInt>(RetentionPolicy)->isZero()) { 4207 // Temporal fetch, needs to convert cache level to locality. 4208 Locality = llvm::ConstantInt::get(Int32Ty, 4209 -cast<llvm::ConstantInt>(CacheLevel)->getValue() + 3); 4210 } else { 4211 // Streaming fetch. 4212 Locality = llvm::ConstantInt::get(Int32Ty, 0); 4213 } 4214 4215 // FIXME: We need AArch64 specific LLVM intrinsic if we want to specify 4216 // PLDL3STRM or PLDL2STRM. 4217 Value *F = CGM.getIntrinsic(Intrinsic::prefetch); 4218 return Builder.CreateCall(F, {Address, RW, Locality, IsData}); 4219 } 4220 4221 if (BuiltinID == AArch64::BI__builtin_arm_rbit) { 4222 assert((getContext().getTypeSize(E->getType()) == 32) && 4223 "rbit of unusual size!"); 4224 llvm::Value *Arg = EmitScalarExpr(E->getArg(0)); 4225 return Builder.CreateCall( 4226 CGM.getIntrinsic(Intrinsic::aarch64_rbit, Arg->getType()), Arg, "rbit"); 4227 } 4228 if (BuiltinID == AArch64::BI__builtin_arm_rbit64) { 4229 assert((getContext().getTypeSize(E->getType()) == 64) && 4230 "rbit of unusual size!"); 4231 llvm::Value *Arg = EmitScalarExpr(E->getArg(0)); 4232 return Builder.CreateCall( 4233 CGM.getIntrinsic(Intrinsic::aarch64_rbit, Arg->getType()), Arg, "rbit"); 4234 } 4235 4236 if (BuiltinID == AArch64::BI__clear_cache) { 4237 assert(E->getNumArgs() == 2 && "__clear_cache takes 2 arguments"); 4238 const FunctionDecl *FD = E->getDirectCallee(); 4239 SmallVector<Value*, 2> Ops; 4240 for (unsigned i = 0; i < 2; i++) 4241 Ops.push_back(EmitScalarExpr(E->getArg(i))); 4242 llvm::Type *Ty = CGM.getTypes().ConvertType(FD->getType()); 4243 llvm::FunctionType *FTy = cast<llvm::FunctionType>(Ty); 4244 StringRef Name = FD->getName(); 4245 return EmitNounwindRuntimeCall(CGM.CreateRuntimeFunction(FTy, Name), Ops); 4246 } 4247 4248 if ((BuiltinID == AArch64::BI__builtin_arm_ldrex || 4249 BuiltinID == AArch64::BI__builtin_arm_ldaex) && 4250 getContext().getTypeSize(E->getType()) == 128) { 4251 Function *F = CGM.getIntrinsic(BuiltinID == AArch64::BI__builtin_arm_ldaex 4252 ? Intrinsic::aarch64_ldaxp 4253 : Intrinsic::aarch64_ldxp); 4254 4255 Value *LdPtr = EmitScalarExpr(E->getArg(0)); 4256 Value *Val = Builder.CreateCall(F, Builder.CreateBitCast(LdPtr, Int8PtrTy), 4257 "ldxp"); 4258 4259 Value *Val0 = Builder.CreateExtractValue(Val, 1); 4260 Value *Val1 = Builder.CreateExtractValue(Val, 0); 4261 llvm::Type *Int128Ty = llvm::IntegerType::get(getLLVMContext(), 128); 4262 Val0 = Builder.CreateZExt(Val0, Int128Ty); 4263 Val1 = Builder.CreateZExt(Val1, Int128Ty); 4264 4265 Value *ShiftCst = llvm::ConstantInt::get(Int128Ty, 64); 4266 Val = Builder.CreateShl(Val0, ShiftCst, "shl", true /* nuw */); 4267 Val = Builder.CreateOr(Val, Val1); 4268 return Builder.CreateBitCast(Val, ConvertType(E->getType())); 4269 } else if (BuiltinID == AArch64::BI__builtin_arm_ldrex || 4270 BuiltinID == AArch64::BI__builtin_arm_ldaex) { 4271 Value *LoadAddr = EmitScalarExpr(E->getArg(0)); 4272 4273 QualType Ty = E->getType(); 4274 llvm::Type *RealResTy = ConvertType(Ty); 4275 llvm::Type *IntResTy = llvm::IntegerType::get(getLLVMContext(), 4276 getContext().getTypeSize(Ty)); 4277 LoadAddr = Builder.CreateBitCast(LoadAddr, IntResTy->getPointerTo()); 4278 4279 Function *F = CGM.getIntrinsic(BuiltinID == AArch64::BI__builtin_arm_ldaex 4280 ? Intrinsic::aarch64_ldaxr 4281 : Intrinsic::aarch64_ldxr, 4282 LoadAddr->getType()); 4283 Value *Val = Builder.CreateCall(F, LoadAddr, "ldxr"); 4284 4285 if (RealResTy->isPointerTy()) 4286 return Builder.CreateIntToPtr(Val, RealResTy); 4287 4288 Val = Builder.CreateTruncOrBitCast(Val, IntResTy); 4289 return Builder.CreateBitCast(Val, RealResTy); 4290 } 4291 4292 if ((BuiltinID == AArch64::BI__builtin_arm_strex || 4293 BuiltinID == AArch64::BI__builtin_arm_stlex) && 4294 getContext().getTypeSize(E->getArg(0)->getType()) == 128) { 4295 Function *F = CGM.getIntrinsic(BuiltinID == AArch64::BI__builtin_arm_stlex 4296 ? Intrinsic::aarch64_stlxp 4297 : Intrinsic::aarch64_stxp); 4298 llvm::Type *STy = llvm::StructType::get(Int64Ty, Int64Ty, nullptr); 4299 4300 Value *One = llvm::ConstantInt::get(Int32Ty, 1); 4301 Value *Tmp = Builder.CreateAlloca(ConvertType(E->getArg(0)->getType()), 4302 One); 4303 Value *Val = EmitScalarExpr(E->getArg(0)); 4304 Builder.CreateStore(Val, Tmp); 4305 4306 Value *LdPtr = Builder.CreateBitCast(Tmp,llvm::PointerType::getUnqual(STy)); 4307 Val = Builder.CreateLoad(LdPtr); 4308 4309 Value *Arg0 = Builder.CreateExtractValue(Val, 0); 4310 Value *Arg1 = Builder.CreateExtractValue(Val, 1); 4311 Value *StPtr = Builder.CreateBitCast(EmitScalarExpr(E->getArg(1)), 4312 Int8PtrTy); 4313 return Builder.CreateCall(F, {Arg0, Arg1, StPtr}, "stxp"); 4314 } 4315 4316 if (BuiltinID == AArch64::BI__builtin_arm_strex || 4317 BuiltinID == AArch64::BI__builtin_arm_stlex) { 4318 Value *StoreVal = EmitScalarExpr(E->getArg(0)); 4319 Value *StoreAddr = EmitScalarExpr(E->getArg(1)); 4320 4321 QualType Ty = E->getArg(0)->getType(); 4322 llvm::Type *StoreTy = llvm::IntegerType::get(getLLVMContext(), 4323 getContext().getTypeSize(Ty)); 4324 StoreAddr = Builder.CreateBitCast(StoreAddr, StoreTy->getPointerTo()); 4325 4326 if (StoreVal->getType()->isPointerTy()) 4327 StoreVal = Builder.CreatePtrToInt(StoreVal, Int64Ty); 4328 else { 4329 StoreVal = Builder.CreateBitCast(StoreVal, StoreTy); 4330 StoreVal = Builder.CreateZExtOrBitCast(StoreVal, Int64Ty); 4331 } 4332 4333 Function *F = CGM.getIntrinsic(BuiltinID == AArch64::BI__builtin_arm_stlex 4334 ? Intrinsic::aarch64_stlxr 4335 : Intrinsic::aarch64_stxr, 4336 StoreAddr->getType()); 4337 return Builder.CreateCall(F, {StoreVal, StoreAddr}, "stxr"); 4338 } 4339 4340 if (BuiltinID == AArch64::BI__builtin_arm_clrex) { 4341 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_clrex); 4342 return Builder.CreateCall(F); 4343 } 4344 4345 // CRC32 4346 Intrinsic::ID CRCIntrinsicID = Intrinsic::not_intrinsic; 4347 switch (BuiltinID) { 4348 case AArch64::BI__builtin_arm_crc32b: 4349 CRCIntrinsicID = Intrinsic::aarch64_crc32b; break; 4350 case AArch64::BI__builtin_arm_crc32cb: 4351 CRCIntrinsicID = Intrinsic::aarch64_crc32cb; break; 4352 case AArch64::BI__builtin_arm_crc32h: 4353 CRCIntrinsicID = Intrinsic::aarch64_crc32h; break; 4354 case AArch64::BI__builtin_arm_crc32ch: 4355 CRCIntrinsicID = Intrinsic::aarch64_crc32ch; break; 4356 case AArch64::BI__builtin_arm_crc32w: 4357 CRCIntrinsicID = Intrinsic::aarch64_crc32w; break; 4358 case AArch64::BI__builtin_arm_crc32cw: 4359 CRCIntrinsicID = Intrinsic::aarch64_crc32cw; break; 4360 case AArch64::BI__builtin_arm_crc32d: 4361 CRCIntrinsicID = Intrinsic::aarch64_crc32x; break; 4362 case AArch64::BI__builtin_arm_crc32cd: 4363 CRCIntrinsicID = Intrinsic::aarch64_crc32cx; break; 4364 } 4365 4366 if (CRCIntrinsicID != Intrinsic::not_intrinsic) { 4367 Value *Arg0 = EmitScalarExpr(E->getArg(0)); 4368 Value *Arg1 = EmitScalarExpr(E->getArg(1)); 4369 Function *F = CGM.getIntrinsic(CRCIntrinsicID); 4370 4371 llvm::Type *DataTy = F->getFunctionType()->getParamType(1); 4372 Arg1 = Builder.CreateZExtOrBitCast(Arg1, DataTy); 4373 4374 return Builder.CreateCall(F, {Arg0, Arg1}); 4375 } 4376 4377 if (BuiltinID == AArch64::BI__builtin_arm_rsr || 4378 BuiltinID == AArch64::BI__builtin_arm_rsr64 || 4379 BuiltinID == AArch64::BI__builtin_arm_rsrp || 4380 BuiltinID == AArch64::BI__builtin_arm_wsr || 4381 BuiltinID == AArch64::BI__builtin_arm_wsr64 || 4382 BuiltinID == AArch64::BI__builtin_arm_wsrp) { 4383 4384 bool IsRead = BuiltinID == AArch64::BI__builtin_arm_rsr || 4385 BuiltinID == AArch64::BI__builtin_arm_rsr64 || 4386 BuiltinID == AArch64::BI__builtin_arm_rsrp; 4387 4388 bool IsPointerBuiltin = BuiltinID == AArch64::BI__builtin_arm_rsrp || 4389 BuiltinID == AArch64::BI__builtin_arm_wsrp; 4390 4391 bool Is64Bit = BuiltinID != AArch64::BI__builtin_arm_rsr && 4392 BuiltinID != AArch64::BI__builtin_arm_wsr; 4393 4394 llvm::Type *ValueType; 4395 llvm::Type *RegisterType = Int64Ty; 4396 if (IsPointerBuiltin) { 4397 ValueType = VoidPtrTy; 4398 } else if (Is64Bit) { 4399 ValueType = Int64Ty; 4400 } else { 4401 ValueType = Int32Ty; 4402 } 4403 4404 return EmitSpecialRegisterBuiltin(*this, E, RegisterType, ValueType, IsRead); 4405 } 4406 4407 // Find out if any arguments are required to be integer constant 4408 // expressions. 4409 unsigned ICEArguments = 0; 4410 ASTContext::GetBuiltinTypeError Error; 4411 getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments); 4412 assert(Error == ASTContext::GE_None && "Should not codegen an error"); 4413 4414 llvm::SmallVector<Value*, 4> Ops; 4415 for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++) { 4416 if ((ICEArguments & (1 << i)) == 0) { 4417 Ops.push_back(EmitScalarExpr(E->getArg(i))); 4418 } else { 4419 // If this is required to be a constant, constant fold it so that we know 4420 // that the generated intrinsic gets a ConstantInt. 4421 llvm::APSInt Result; 4422 bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result, getContext()); 4423 assert(IsConst && "Constant arg isn't actually constant?"); 4424 (void)IsConst; 4425 Ops.push_back(llvm::ConstantInt::get(getLLVMContext(), Result)); 4426 } 4427 } 4428 4429 auto SISDMap = makeArrayRef(AArch64SISDIntrinsicMap); 4430 const NeonIntrinsicInfo *Builtin = findNeonIntrinsicInMap( 4431 SISDMap, BuiltinID, AArch64SISDIntrinsicsProvenSorted); 4432 4433 if (Builtin) { 4434 Ops.push_back(EmitScalarExpr(E->getArg(E->getNumArgs() - 1))); 4435 Value *Result = EmitCommonNeonSISDBuiltinExpr(*this, *Builtin, Ops, E); 4436 assert(Result && "SISD intrinsic should have been handled"); 4437 return Result; 4438 } 4439 4440 llvm::APSInt Result; 4441 const Expr *Arg = E->getArg(E->getNumArgs()-1); 4442 NeonTypeFlags Type(0); 4443 if (Arg->isIntegerConstantExpr(Result, getContext())) 4444 // Determine the type of this overloaded NEON intrinsic. 4445 Type = NeonTypeFlags(Result.getZExtValue()); 4446 4447 bool usgn = Type.isUnsigned(); 4448 bool quad = Type.isQuad(); 4449 4450 // Handle non-overloaded intrinsics first. 4451 switch (BuiltinID) { 4452 default: break; 4453 case NEON::BI__builtin_neon_vldrq_p128: { 4454 llvm::Type *Int128PTy = llvm::Type::getIntNPtrTy(getLLVMContext(), 128); 4455 Value *Ptr = Builder.CreateBitCast(EmitScalarExpr(E->getArg(0)), Int128PTy); 4456 return Builder.CreateLoad(Ptr); 4457 } 4458 case NEON::BI__builtin_neon_vstrq_p128: { 4459 llvm::Type *Int128PTy = llvm::Type::getIntNPtrTy(getLLVMContext(), 128); 4460 Value *Ptr = Builder.CreateBitCast(Ops[0], Int128PTy); 4461 return Builder.CreateStore(EmitScalarExpr(E->getArg(1)), Ptr); 4462 } 4463 case NEON::BI__builtin_neon_vcvts_u32_f32: 4464 case NEON::BI__builtin_neon_vcvtd_u64_f64: 4465 usgn = true; 4466 // FALL THROUGH 4467 case NEON::BI__builtin_neon_vcvts_s32_f32: 4468 case NEON::BI__builtin_neon_vcvtd_s64_f64: { 4469 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4470 bool Is64 = Ops[0]->getType()->getPrimitiveSizeInBits() == 64; 4471 llvm::Type *InTy = Is64 ? Int64Ty : Int32Ty; 4472 llvm::Type *FTy = Is64 ? DoubleTy : FloatTy; 4473 Ops[0] = Builder.CreateBitCast(Ops[0], FTy); 4474 if (usgn) 4475 return Builder.CreateFPToUI(Ops[0], InTy); 4476 return Builder.CreateFPToSI(Ops[0], InTy); 4477 } 4478 case NEON::BI__builtin_neon_vcvts_f32_u32: 4479 case NEON::BI__builtin_neon_vcvtd_f64_u64: 4480 usgn = true; 4481 // FALL THROUGH 4482 case NEON::BI__builtin_neon_vcvts_f32_s32: 4483 case NEON::BI__builtin_neon_vcvtd_f64_s64: { 4484 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4485 bool Is64 = Ops[0]->getType()->getPrimitiveSizeInBits() == 64; 4486 llvm::Type *InTy = Is64 ? Int64Ty : Int32Ty; 4487 llvm::Type *FTy = Is64 ? DoubleTy : FloatTy; 4488 Ops[0] = Builder.CreateBitCast(Ops[0], InTy); 4489 if (usgn) 4490 return Builder.CreateUIToFP(Ops[0], FTy); 4491 return Builder.CreateSIToFP(Ops[0], FTy); 4492 } 4493 case NEON::BI__builtin_neon_vpaddd_s64: { 4494 llvm::Type *Ty = 4495 llvm::VectorType::get(llvm::Type::getInt64Ty(getLLVMContext()), 2); 4496 Value *Vec = EmitScalarExpr(E->getArg(0)); 4497 // The vector is v2f64, so make sure it's bitcast to that. 4498 Vec = Builder.CreateBitCast(Vec, Ty, "v2i64"); 4499 llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0); 4500 llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1); 4501 Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0"); 4502 Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1"); 4503 // Pairwise addition of a v2f64 into a scalar f64. 4504 return Builder.CreateAdd(Op0, Op1, "vpaddd"); 4505 } 4506 case NEON::BI__builtin_neon_vpaddd_f64: { 4507 llvm::Type *Ty = 4508 llvm::VectorType::get(llvm::Type::getDoubleTy(getLLVMContext()), 2); 4509 Value *Vec = EmitScalarExpr(E->getArg(0)); 4510 // The vector is v2f64, so make sure it's bitcast to that. 4511 Vec = Builder.CreateBitCast(Vec, Ty, "v2f64"); 4512 llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0); 4513 llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1); 4514 Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0"); 4515 Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1"); 4516 // Pairwise addition of a v2f64 into a scalar f64. 4517 return Builder.CreateFAdd(Op0, Op1, "vpaddd"); 4518 } 4519 case NEON::BI__builtin_neon_vpadds_f32: { 4520 llvm::Type *Ty = 4521 llvm::VectorType::get(llvm::Type::getFloatTy(getLLVMContext()), 2); 4522 Value *Vec = EmitScalarExpr(E->getArg(0)); 4523 // The vector is v2f32, so make sure it's bitcast to that. 4524 Vec = Builder.CreateBitCast(Vec, Ty, "v2f32"); 4525 llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0); 4526 llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1); 4527 Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0"); 4528 Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1"); 4529 // Pairwise addition of a v2f32 into a scalar f32. 4530 return Builder.CreateFAdd(Op0, Op1, "vpaddd"); 4531 } 4532 case NEON::BI__builtin_neon_vceqzd_s64: 4533 case NEON::BI__builtin_neon_vceqzd_f64: 4534 case NEON::BI__builtin_neon_vceqzs_f32: 4535 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4536 return EmitAArch64CompareBuiltinExpr( 4537 Ops[0], ConvertType(E->getCallReturnType(getContext())), 4538 ICmpInst::FCMP_OEQ, ICmpInst::ICMP_EQ, "vceqz"); 4539 case NEON::BI__builtin_neon_vcgezd_s64: 4540 case NEON::BI__builtin_neon_vcgezd_f64: 4541 case NEON::BI__builtin_neon_vcgezs_f32: 4542 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4543 return EmitAArch64CompareBuiltinExpr( 4544 Ops[0], ConvertType(E->getCallReturnType(getContext())), 4545 ICmpInst::FCMP_OGE, ICmpInst::ICMP_SGE, "vcgez"); 4546 case NEON::BI__builtin_neon_vclezd_s64: 4547 case NEON::BI__builtin_neon_vclezd_f64: 4548 case NEON::BI__builtin_neon_vclezs_f32: 4549 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4550 return EmitAArch64CompareBuiltinExpr( 4551 Ops[0], ConvertType(E->getCallReturnType(getContext())), 4552 ICmpInst::FCMP_OLE, ICmpInst::ICMP_SLE, "vclez"); 4553 case NEON::BI__builtin_neon_vcgtzd_s64: 4554 case NEON::BI__builtin_neon_vcgtzd_f64: 4555 case NEON::BI__builtin_neon_vcgtzs_f32: 4556 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4557 return EmitAArch64CompareBuiltinExpr( 4558 Ops[0], ConvertType(E->getCallReturnType(getContext())), 4559 ICmpInst::FCMP_OGT, ICmpInst::ICMP_SGT, "vcgtz"); 4560 case NEON::BI__builtin_neon_vcltzd_s64: 4561 case NEON::BI__builtin_neon_vcltzd_f64: 4562 case NEON::BI__builtin_neon_vcltzs_f32: 4563 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4564 return EmitAArch64CompareBuiltinExpr( 4565 Ops[0], ConvertType(E->getCallReturnType(getContext())), 4566 ICmpInst::FCMP_OLT, ICmpInst::ICMP_SLT, "vcltz"); 4567 4568 case NEON::BI__builtin_neon_vceqzd_u64: { 4569 llvm::Type *Ty = llvm::Type::getInt64Ty(getLLVMContext()); 4570 Ops.push_back(EmitScalarExpr(E->getArg(0))); 4571 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 4572 Ops[0] = Builder.CreateICmp(llvm::ICmpInst::ICMP_EQ, Ops[0], 4573 llvm::Constant::getNullValue(Ty)); 4574 return Builder.CreateSExt(Ops[0], Ty, "vceqzd"); 4575 } 4576 case NEON::BI__builtin_neon_vceqd_f64: 4577 case NEON::BI__builtin_neon_vcled_f64: 4578 case NEON::BI__builtin_neon_vcltd_f64: 4579 case NEON::BI__builtin_neon_vcged_f64: 4580 case NEON::BI__builtin_neon_vcgtd_f64: { 4581 llvm::CmpInst::Predicate P; 4582 switch (BuiltinID) { 4583 default: llvm_unreachable("missing builtin ID in switch!"); 4584 case NEON::BI__builtin_neon_vceqd_f64: P = llvm::FCmpInst::FCMP_OEQ; break; 4585 case NEON::BI__builtin_neon_vcled_f64: P = llvm::FCmpInst::FCMP_OLE; break; 4586 case NEON::BI__builtin_neon_vcltd_f64: P = llvm::FCmpInst::FCMP_OLT; break; 4587 case NEON::BI__builtin_neon_vcged_f64: P = llvm::FCmpInst::FCMP_OGE; break; 4588 case NEON::BI__builtin_neon_vcgtd_f64: P = llvm::FCmpInst::FCMP_OGT; break; 4589 } 4590 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4591 Ops[0] = Builder.CreateBitCast(Ops[0], DoubleTy); 4592 Ops[1] = Builder.CreateBitCast(Ops[1], DoubleTy); 4593 Ops[0] = Builder.CreateFCmp(P, Ops[0], Ops[1]); 4594 return Builder.CreateSExt(Ops[0], Int64Ty, "vcmpd"); 4595 } 4596 case NEON::BI__builtin_neon_vceqs_f32: 4597 case NEON::BI__builtin_neon_vcles_f32: 4598 case NEON::BI__builtin_neon_vclts_f32: 4599 case NEON::BI__builtin_neon_vcges_f32: 4600 case NEON::BI__builtin_neon_vcgts_f32: { 4601 llvm::CmpInst::Predicate P; 4602 switch (BuiltinID) { 4603 default: llvm_unreachable("missing builtin ID in switch!"); 4604 case NEON::BI__builtin_neon_vceqs_f32: P = llvm::FCmpInst::FCMP_OEQ; break; 4605 case NEON::BI__builtin_neon_vcles_f32: P = llvm::FCmpInst::FCMP_OLE; break; 4606 case NEON::BI__builtin_neon_vclts_f32: P = llvm::FCmpInst::FCMP_OLT; break; 4607 case NEON::BI__builtin_neon_vcges_f32: P = llvm::FCmpInst::FCMP_OGE; break; 4608 case NEON::BI__builtin_neon_vcgts_f32: P = llvm::FCmpInst::FCMP_OGT; break; 4609 } 4610 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4611 Ops[0] = Builder.CreateBitCast(Ops[0], FloatTy); 4612 Ops[1] = Builder.CreateBitCast(Ops[1], FloatTy); 4613 Ops[0] = Builder.CreateFCmp(P, Ops[0], Ops[1]); 4614 return Builder.CreateSExt(Ops[0], Int32Ty, "vcmpd"); 4615 } 4616 case NEON::BI__builtin_neon_vceqd_s64: 4617 case NEON::BI__builtin_neon_vceqd_u64: 4618 case NEON::BI__builtin_neon_vcgtd_s64: 4619 case NEON::BI__builtin_neon_vcgtd_u64: 4620 case NEON::BI__builtin_neon_vcltd_s64: 4621 case NEON::BI__builtin_neon_vcltd_u64: 4622 case NEON::BI__builtin_neon_vcged_u64: 4623 case NEON::BI__builtin_neon_vcged_s64: 4624 case NEON::BI__builtin_neon_vcled_u64: 4625 case NEON::BI__builtin_neon_vcled_s64: { 4626 llvm::CmpInst::Predicate P; 4627 switch (BuiltinID) { 4628 default: llvm_unreachable("missing builtin ID in switch!"); 4629 case NEON::BI__builtin_neon_vceqd_s64: 4630 case NEON::BI__builtin_neon_vceqd_u64:P = llvm::ICmpInst::ICMP_EQ;break; 4631 case NEON::BI__builtin_neon_vcgtd_s64:P = llvm::ICmpInst::ICMP_SGT;break; 4632 case NEON::BI__builtin_neon_vcgtd_u64:P = llvm::ICmpInst::ICMP_UGT;break; 4633 case NEON::BI__builtin_neon_vcltd_s64:P = llvm::ICmpInst::ICMP_SLT;break; 4634 case NEON::BI__builtin_neon_vcltd_u64:P = llvm::ICmpInst::ICMP_ULT;break; 4635 case NEON::BI__builtin_neon_vcged_u64:P = llvm::ICmpInst::ICMP_UGE;break; 4636 case NEON::BI__builtin_neon_vcged_s64:P = llvm::ICmpInst::ICMP_SGE;break; 4637 case NEON::BI__builtin_neon_vcled_u64:P = llvm::ICmpInst::ICMP_ULE;break; 4638 case NEON::BI__builtin_neon_vcled_s64:P = llvm::ICmpInst::ICMP_SLE;break; 4639 } 4640 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4641 Ops[0] = Builder.CreateBitCast(Ops[0], Int64Ty); 4642 Ops[1] = Builder.CreateBitCast(Ops[1], Int64Ty); 4643 Ops[0] = Builder.CreateICmp(P, Ops[0], Ops[1]); 4644 return Builder.CreateSExt(Ops[0], Int64Ty, "vceqd"); 4645 } 4646 case NEON::BI__builtin_neon_vtstd_s64: 4647 case NEON::BI__builtin_neon_vtstd_u64: { 4648 llvm::Type *Ty = llvm::Type::getInt64Ty(getLLVMContext()); 4649 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4650 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 4651 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 4652 Ops[0] = Builder.CreateAnd(Ops[0], Ops[1]); 4653 Ops[0] = Builder.CreateICmp(ICmpInst::ICMP_NE, Ops[0], 4654 llvm::Constant::getNullValue(Ty)); 4655 return Builder.CreateSExt(Ops[0], Ty, "vtstd"); 4656 } 4657 case NEON::BI__builtin_neon_vset_lane_i8: 4658 case NEON::BI__builtin_neon_vset_lane_i16: 4659 case NEON::BI__builtin_neon_vset_lane_i32: 4660 case NEON::BI__builtin_neon_vset_lane_i64: 4661 case NEON::BI__builtin_neon_vset_lane_f32: 4662 case NEON::BI__builtin_neon_vsetq_lane_i8: 4663 case NEON::BI__builtin_neon_vsetq_lane_i16: 4664 case NEON::BI__builtin_neon_vsetq_lane_i32: 4665 case NEON::BI__builtin_neon_vsetq_lane_i64: 4666 case NEON::BI__builtin_neon_vsetq_lane_f32: 4667 Ops.push_back(EmitScalarExpr(E->getArg(2))); 4668 return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vset_lane"); 4669 case NEON::BI__builtin_neon_vset_lane_f64: 4670 // The vector type needs a cast for the v1f64 variant. 4671 Ops[1] = Builder.CreateBitCast(Ops[1], 4672 llvm::VectorType::get(DoubleTy, 1)); 4673 Ops.push_back(EmitScalarExpr(E->getArg(2))); 4674 return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vset_lane"); 4675 case NEON::BI__builtin_neon_vsetq_lane_f64: 4676 // The vector type needs a cast for the v2f64 variant. 4677 Ops[1] = Builder.CreateBitCast(Ops[1], 4678 llvm::VectorType::get(llvm::Type::getDoubleTy(getLLVMContext()), 2)); 4679 Ops.push_back(EmitScalarExpr(E->getArg(2))); 4680 return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vset_lane"); 4681 4682 case NEON::BI__builtin_neon_vget_lane_i8: 4683 case NEON::BI__builtin_neon_vdupb_lane_i8: 4684 Ops[0] = Builder.CreateBitCast(Ops[0], 4685 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8)); 4686 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4687 "vget_lane"); 4688 case NEON::BI__builtin_neon_vgetq_lane_i8: 4689 case NEON::BI__builtin_neon_vdupb_laneq_i8: 4690 Ops[0] = Builder.CreateBitCast(Ops[0], 4691 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16)); 4692 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4693 "vgetq_lane"); 4694 case NEON::BI__builtin_neon_vget_lane_i16: 4695 case NEON::BI__builtin_neon_vduph_lane_i16: 4696 Ops[0] = Builder.CreateBitCast(Ops[0], 4697 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4)); 4698 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4699 "vget_lane"); 4700 case NEON::BI__builtin_neon_vgetq_lane_i16: 4701 case NEON::BI__builtin_neon_vduph_laneq_i16: 4702 Ops[0] = Builder.CreateBitCast(Ops[0], 4703 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8)); 4704 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4705 "vgetq_lane"); 4706 case NEON::BI__builtin_neon_vget_lane_i32: 4707 case NEON::BI__builtin_neon_vdups_lane_i32: 4708 Ops[0] = Builder.CreateBitCast( 4709 Ops[0], 4710 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 32), 2)); 4711 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4712 "vget_lane"); 4713 case NEON::BI__builtin_neon_vdups_lane_f32: 4714 Ops[0] = Builder.CreateBitCast(Ops[0], 4715 llvm::VectorType::get(llvm::Type::getFloatTy(getLLVMContext()), 2)); 4716 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4717 "vdups_lane"); 4718 case NEON::BI__builtin_neon_vgetq_lane_i32: 4719 case NEON::BI__builtin_neon_vdups_laneq_i32: 4720 Ops[0] = Builder.CreateBitCast(Ops[0], 4721 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 32), 4)); 4722 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4723 "vgetq_lane"); 4724 case NEON::BI__builtin_neon_vget_lane_i64: 4725 case NEON::BI__builtin_neon_vdupd_lane_i64: 4726 Ops[0] = Builder.CreateBitCast(Ops[0], 4727 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 64), 1)); 4728 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4729 "vget_lane"); 4730 case NEON::BI__builtin_neon_vdupd_lane_f64: 4731 Ops[0] = Builder.CreateBitCast(Ops[0], 4732 llvm::VectorType::get(llvm::Type::getDoubleTy(getLLVMContext()), 1)); 4733 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4734 "vdupd_lane"); 4735 case NEON::BI__builtin_neon_vgetq_lane_i64: 4736 case NEON::BI__builtin_neon_vdupd_laneq_i64: 4737 Ops[0] = Builder.CreateBitCast(Ops[0], 4738 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 64), 2)); 4739 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4740 "vgetq_lane"); 4741 case NEON::BI__builtin_neon_vget_lane_f32: 4742 Ops[0] = Builder.CreateBitCast(Ops[0], 4743 llvm::VectorType::get(llvm::Type::getFloatTy(getLLVMContext()), 2)); 4744 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4745 "vget_lane"); 4746 case NEON::BI__builtin_neon_vget_lane_f64: 4747 Ops[0] = Builder.CreateBitCast(Ops[0], 4748 llvm::VectorType::get(llvm::Type::getDoubleTy(getLLVMContext()), 1)); 4749 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4750 "vget_lane"); 4751 case NEON::BI__builtin_neon_vgetq_lane_f32: 4752 case NEON::BI__builtin_neon_vdups_laneq_f32: 4753 Ops[0] = Builder.CreateBitCast(Ops[0], 4754 llvm::VectorType::get(llvm::Type::getFloatTy(getLLVMContext()), 4)); 4755 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4756 "vgetq_lane"); 4757 case NEON::BI__builtin_neon_vgetq_lane_f64: 4758 case NEON::BI__builtin_neon_vdupd_laneq_f64: 4759 Ops[0] = Builder.CreateBitCast(Ops[0], 4760 llvm::VectorType::get(llvm::Type::getDoubleTy(getLLVMContext()), 2)); 4761 return Builder.CreateExtractElement(Ops[0], EmitScalarExpr(E->getArg(1)), 4762 "vgetq_lane"); 4763 case NEON::BI__builtin_neon_vaddd_s64: 4764 case NEON::BI__builtin_neon_vaddd_u64: 4765 return Builder.CreateAdd(Ops[0], EmitScalarExpr(E->getArg(1)), "vaddd"); 4766 case NEON::BI__builtin_neon_vsubd_s64: 4767 case NEON::BI__builtin_neon_vsubd_u64: 4768 return Builder.CreateSub(Ops[0], EmitScalarExpr(E->getArg(1)), "vsubd"); 4769 case NEON::BI__builtin_neon_vqdmlalh_s16: 4770 case NEON::BI__builtin_neon_vqdmlslh_s16: { 4771 SmallVector<Value *, 2> ProductOps; 4772 ProductOps.push_back(vectorWrapScalar16(Ops[1])); 4773 ProductOps.push_back(vectorWrapScalar16(EmitScalarExpr(E->getArg(2)))); 4774 llvm::Type *VTy = llvm::VectorType::get(Int32Ty, 4); 4775 Ops[1] = EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmull, VTy), 4776 ProductOps, "vqdmlXl"); 4777 Constant *CI = ConstantInt::get(SizeTy, 0); 4778 Ops[1] = Builder.CreateExtractElement(Ops[1], CI, "lane0"); 4779 4780 unsigned AccumInt = BuiltinID == NEON::BI__builtin_neon_vqdmlalh_s16 4781 ? Intrinsic::aarch64_neon_sqadd 4782 : Intrinsic::aarch64_neon_sqsub; 4783 return EmitNeonCall(CGM.getIntrinsic(AccumInt, Int32Ty), Ops, "vqdmlXl"); 4784 } 4785 case NEON::BI__builtin_neon_vqshlud_n_s64: { 4786 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4787 Ops[1] = Builder.CreateZExt(Ops[1], Int64Ty); 4788 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqshlu, Int64Ty), 4789 Ops, "vqshlu_n"); 4790 } 4791 case NEON::BI__builtin_neon_vqshld_n_u64: 4792 case NEON::BI__builtin_neon_vqshld_n_s64: { 4793 unsigned Int = BuiltinID == NEON::BI__builtin_neon_vqshld_n_u64 4794 ? Intrinsic::aarch64_neon_uqshl 4795 : Intrinsic::aarch64_neon_sqshl; 4796 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4797 Ops[1] = Builder.CreateZExt(Ops[1], Int64Ty); 4798 return EmitNeonCall(CGM.getIntrinsic(Int, Int64Ty), Ops, "vqshl_n"); 4799 } 4800 case NEON::BI__builtin_neon_vrshrd_n_u64: 4801 case NEON::BI__builtin_neon_vrshrd_n_s64: { 4802 unsigned Int = BuiltinID == NEON::BI__builtin_neon_vrshrd_n_u64 4803 ? Intrinsic::aarch64_neon_urshl 4804 : Intrinsic::aarch64_neon_srshl; 4805 Ops.push_back(EmitScalarExpr(E->getArg(1))); 4806 int SV = cast<ConstantInt>(Ops[1])->getSExtValue(); 4807 Ops[1] = ConstantInt::get(Int64Ty, -SV); 4808 return EmitNeonCall(CGM.getIntrinsic(Int, Int64Ty), Ops, "vrshr_n"); 4809 } 4810 case NEON::BI__builtin_neon_vrsrad_n_u64: 4811 case NEON::BI__builtin_neon_vrsrad_n_s64: { 4812 unsigned Int = BuiltinID == NEON::BI__builtin_neon_vrsrad_n_u64 4813 ? Intrinsic::aarch64_neon_urshl 4814 : Intrinsic::aarch64_neon_srshl; 4815 Ops[1] = Builder.CreateBitCast(Ops[1], Int64Ty); 4816 Ops.push_back(Builder.CreateNeg(EmitScalarExpr(E->getArg(2)))); 4817 Ops[1] = Builder.CreateCall(CGM.getIntrinsic(Int, Int64Ty), 4818 {Ops[1], Builder.CreateSExt(Ops[2], Int64Ty)}); 4819 return Builder.CreateAdd(Ops[0], Builder.CreateBitCast(Ops[1], Int64Ty)); 4820 } 4821 case NEON::BI__builtin_neon_vshld_n_s64: 4822 case NEON::BI__builtin_neon_vshld_n_u64: { 4823 llvm::ConstantInt *Amt = cast<ConstantInt>(EmitScalarExpr(E->getArg(1))); 4824 return Builder.CreateShl( 4825 Ops[0], ConstantInt::get(Int64Ty, Amt->getZExtValue()), "shld_n"); 4826 } 4827 case NEON::BI__builtin_neon_vshrd_n_s64: { 4828 llvm::ConstantInt *Amt = cast<ConstantInt>(EmitScalarExpr(E->getArg(1))); 4829 return Builder.CreateAShr( 4830 Ops[0], ConstantInt::get(Int64Ty, std::min(static_cast<uint64_t>(63), 4831 Amt->getZExtValue())), 4832 "shrd_n"); 4833 } 4834 case NEON::BI__builtin_neon_vshrd_n_u64: { 4835 llvm::ConstantInt *Amt = cast<ConstantInt>(EmitScalarExpr(E->getArg(1))); 4836 uint64_t ShiftAmt = Amt->getZExtValue(); 4837 // Right-shifting an unsigned value by its size yields 0. 4838 if (ShiftAmt == 64) 4839 return ConstantInt::get(Int64Ty, 0); 4840 return Builder.CreateLShr(Ops[0], ConstantInt::get(Int64Ty, ShiftAmt), 4841 "shrd_n"); 4842 } 4843 case NEON::BI__builtin_neon_vsrad_n_s64: { 4844 llvm::ConstantInt *Amt = cast<ConstantInt>(EmitScalarExpr(E->getArg(2))); 4845 Ops[1] = Builder.CreateAShr( 4846 Ops[1], ConstantInt::get(Int64Ty, std::min(static_cast<uint64_t>(63), 4847 Amt->getZExtValue())), 4848 "shrd_n"); 4849 return Builder.CreateAdd(Ops[0], Ops[1]); 4850 } 4851 case NEON::BI__builtin_neon_vsrad_n_u64: { 4852 llvm::ConstantInt *Amt = cast<ConstantInt>(EmitScalarExpr(E->getArg(2))); 4853 uint64_t ShiftAmt = Amt->getZExtValue(); 4854 // Right-shifting an unsigned value by its size yields 0. 4855 // As Op + 0 = Op, return Ops[0] directly. 4856 if (ShiftAmt == 64) 4857 return Ops[0]; 4858 Ops[1] = Builder.CreateLShr(Ops[1], ConstantInt::get(Int64Ty, ShiftAmt), 4859 "shrd_n"); 4860 return Builder.CreateAdd(Ops[0], Ops[1]); 4861 } 4862 case NEON::BI__builtin_neon_vqdmlalh_lane_s16: 4863 case NEON::BI__builtin_neon_vqdmlalh_laneq_s16: 4864 case NEON::BI__builtin_neon_vqdmlslh_lane_s16: 4865 case NEON::BI__builtin_neon_vqdmlslh_laneq_s16: { 4866 Ops[2] = Builder.CreateExtractElement(Ops[2], EmitScalarExpr(E->getArg(3)), 4867 "lane"); 4868 SmallVector<Value *, 2> ProductOps; 4869 ProductOps.push_back(vectorWrapScalar16(Ops[1])); 4870 ProductOps.push_back(vectorWrapScalar16(Ops[2])); 4871 llvm::Type *VTy = llvm::VectorType::get(Int32Ty, 4); 4872 Ops[1] = EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmull, VTy), 4873 ProductOps, "vqdmlXl"); 4874 Constant *CI = ConstantInt::get(SizeTy, 0); 4875 Ops[1] = Builder.CreateExtractElement(Ops[1], CI, "lane0"); 4876 Ops.pop_back(); 4877 4878 unsigned AccInt = (BuiltinID == NEON::BI__builtin_neon_vqdmlalh_lane_s16 || 4879 BuiltinID == NEON::BI__builtin_neon_vqdmlalh_laneq_s16) 4880 ? Intrinsic::aarch64_neon_sqadd 4881 : Intrinsic::aarch64_neon_sqsub; 4882 return EmitNeonCall(CGM.getIntrinsic(AccInt, Int32Ty), Ops, "vqdmlXl"); 4883 } 4884 case NEON::BI__builtin_neon_vqdmlals_s32: 4885 case NEON::BI__builtin_neon_vqdmlsls_s32: { 4886 SmallVector<Value *, 2> ProductOps; 4887 ProductOps.push_back(Ops[1]); 4888 ProductOps.push_back(EmitScalarExpr(E->getArg(2))); 4889 Ops[1] = 4890 EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmulls_scalar), 4891 ProductOps, "vqdmlXl"); 4892 4893 unsigned AccumInt = BuiltinID == NEON::BI__builtin_neon_vqdmlals_s32 4894 ? Intrinsic::aarch64_neon_sqadd 4895 : Intrinsic::aarch64_neon_sqsub; 4896 return EmitNeonCall(CGM.getIntrinsic(AccumInt, Int64Ty), Ops, "vqdmlXl"); 4897 } 4898 case NEON::BI__builtin_neon_vqdmlals_lane_s32: 4899 case NEON::BI__builtin_neon_vqdmlals_laneq_s32: 4900 case NEON::BI__builtin_neon_vqdmlsls_lane_s32: 4901 case NEON::BI__builtin_neon_vqdmlsls_laneq_s32: { 4902 Ops[2] = Builder.CreateExtractElement(Ops[2], EmitScalarExpr(E->getArg(3)), 4903 "lane"); 4904 SmallVector<Value *, 2> ProductOps; 4905 ProductOps.push_back(Ops[1]); 4906 ProductOps.push_back(Ops[2]); 4907 Ops[1] = 4908 EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmulls_scalar), 4909 ProductOps, "vqdmlXl"); 4910 Ops.pop_back(); 4911 4912 unsigned AccInt = (BuiltinID == NEON::BI__builtin_neon_vqdmlals_lane_s32 || 4913 BuiltinID == NEON::BI__builtin_neon_vqdmlals_laneq_s32) 4914 ? Intrinsic::aarch64_neon_sqadd 4915 : Intrinsic::aarch64_neon_sqsub; 4916 return EmitNeonCall(CGM.getIntrinsic(AccInt, Int64Ty), Ops, "vqdmlXl"); 4917 } 4918 } 4919 4920 llvm::VectorType *VTy = GetNeonType(this, Type); 4921 llvm::Type *Ty = VTy; 4922 if (!Ty) 4923 return nullptr; 4924 4925 // Not all intrinsics handled by the common case work for AArch64 yet, so only 4926 // defer to common code if it's been added to our special map. 4927 Builtin = findNeonIntrinsicInMap(AArch64SIMDIntrinsicMap, BuiltinID, 4928 AArch64SIMDIntrinsicsProvenSorted); 4929 4930 if (Builtin) 4931 return EmitCommonNeonBuiltinExpr( 4932 Builtin->BuiltinID, Builtin->LLVMIntrinsic, Builtin->AltLLVMIntrinsic, 4933 Builtin->NameHint, Builtin->TypeModifier, E, Ops, nullptr); 4934 4935 if (Value *V = EmitAArch64TblBuiltinExpr(*this, BuiltinID, E, Ops)) 4936 return V; 4937 4938 unsigned Int; 4939 switch (BuiltinID) { 4940 default: return nullptr; 4941 case NEON::BI__builtin_neon_vbsl_v: 4942 case NEON::BI__builtin_neon_vbslq_v: { 4943 llvm::Type *BitTy = llvm::VectorType::getInteger(VTy); 4944 Ops[0] = Builder.CreateBitCast(Ops[0], BitTy, "vbsl"); 4945 Ops[1] = Builder.CreateBitCast(Ops[1], BitTy, "vbsl"); 4946 Ops[2] = Builder.CreateBitCast(Ops[2], BitTy, "vbsl"); 4947 4948 Ops[1] = Builder.CreateAnd(Ops[0], Ops[1], "vbsl"); 4949 Ops[2] = Builder.CreateAnd(Builder.CreateNot(Ops[0]), Ops[2], "vbsl"); 4950 Ops[0] = Builder.CreateOr(Ops[1], Ops[2], "vbsl"); 4951 return Builder.CreateBitCast(Ops[0], Ty); 4952 } 4953 case NEON::BI__builtin_neon_vfma_lane_v: 4954 case NEON::BI__builtin_neon_vfmaq_lane_v: { // Only used for FP types 4955 // The ARM builtins (and instructions) have the addend as the first 4956 // operand, but the 'fma' intrinsics have it last. Swap it around here. 4957 Value *Addend = Ops[0]; 4958 Value *Multiplicand = Ops[1]; 4959 Value *LaneSource = Ops[2]; 4960 Ops[0] = Multiplicand; 4961 Ops[1] = LaneSource; 4962 Ops[2] = Addend; 4963 4964 // Now adjust things to handle the lane access. 4965 llvm::Type *SourceTy = BuiltinID == NEON::BI__builtin_neon_vfmaq_lane_v ? 4966 llvm::VectorType::get(VTy->getElementType(), VTy->getNumElements() / 2) : 4967 VTy; 4968 llvm::Constant *cst = cast<Constant>(Ops[3]); 4969 Value *SV = llvm::ConstantVector::getSplat(VTy->getNumElements(), cst); 4970 Ops[1] = Builder.CreateBitCast(Ops[1], SourceTy); 4971 Ops[1] = Builder.CreateShuffleVector(Ops[1], Ops[1], SV, "lane"); 4972 4973 Ops.pop_back(); 4974 Int = Intrinsic::fma; 4975 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "fmla"); 4976 } 4977 case NEON::BI__builtin_neon_vfma_laneq_v: { 4978 llvm::VectorType *VTy = cast<llvm::VectorType>(Ty); 4979 // v1f64 fma should be mapped to Neon scalar f64 fma 4980 if (VTy && VTy->getElementType() == DoubleTy) { 4981 Ops[0] = Builder.CreateBitCast(Ops[0], DoubleTy); 4982 Ops[1] = Builder.CreateBitCast(Ops[1], DoubleTy); 4983 llvm::Type *VTy = GetNeonType(this, 4984 NeonTypeFlags(NeonTypeFlags::Float64, false, true)); 4985 Ops[2] = Builder.CreateBitCast(Ops[2], VTy); 4986 Ops[2] = Builder.CreateExtractElement(Ops[2], Ops[3], "extract"); 4987 Value *F = CGM.getIntrinsic(Intrinsic::fma, DoubleTy); 4988 Value *Result = Builder.CreateCall(F, {Ops[1], Ops[2], Ops[0]}); 4989 return Builder.CreateBitCast(Result, Ty); 4990 } 4991 Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); 4992 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 4993 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 4994 4995 llvm::Type *STy = llvm::VectorType::get(VTy->getElementType(), 4996 VTy->getNumElements() * 2); 4997 Ops[2] = Builder.CreateBitCast(Ops[2], STy); 4998 Value* SV = llvm::ConstantVector::getSplat(VTy->getNumElements(), 4999 cast<ConstantInt>(Ops[3])); 5000 Ops[2] = Builder.CreateShuffleVector(Ops[2], Ops[2], SV, "lane"); 5001 5002 return Builder.CreateCall(F, {Ops[2], Ops[1], Ops[0]}); 5003 } 5004 case NEON::BI__builtin_neon_vfmaq_laneq_v: { 5005 Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); 5006 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5007 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5008 5009 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5010 Ops[2] = EmitNeonSplat(Ops[2], cast<ConstantInt>(Ops[3])); 5011 return Builder.CreateCall(F, {Ops[2], Ops[1], Ops[0]}); 5012 } 5013 case NEON::BI__builtin_neon_vfmas_lane_f32: 5014 case NEON::BI__builtin_neon_vfmas_laneq_f32: 5015 case NEON::BI__builtin_neon_vfmad_lane_f64: 5016 case NEON::BI__builtin_neon_vfmad_laneq_f64: { 5017 Ops.push_back(EmitScalarExpr(E->getArg(3))); 5018 llvm::Type *Ty = ConvertType(E->getCallReturnType(getContext())); 5019 Value *F = CGM.getIntrinsic(Intrinsic::fma, Ty); 5020 Ops[2] = Builder.CreateExtractElement(Ops[2], Ops[3], "extract"); 5021 return Builder.CreateCall(F, {Ops[1], Ops[2], Ops[0]}); 5022 } 5023 case NEON::BI__builtin_neon_vfms_v: 5024 case NEON::BI__builtin_neon_vfmsq_v: { // Only used for FP types 5025 // FIXME: probably remove when we no longer support aarch64_simd.h 5026 // (arm_neon.h delegates to vfma). 5027 5028 // The ARM builtins (and instructions) have the addend as the first 5029 // operand, but the 'fma' intrinsics have it last. Swap it around here. 5030 Value *Subtrahend = Ops[0]; 5031 Value *Multiplicand = Ops[2]; 5032 Ops[0] = Multiplicand; 5033 Ops[2] = Subtrahend; 5034 Ops[1] = Builder.CreateBitCast(Ops[1], VTy); 5035 Ops[1] = Builder.CreateFNeg(Ops[1]); 5036 Int = Intrinsic::fma; 5037 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "fmls"); 5038 } 5039 case NEON::BI__builtin_neon_vmull_v: 5040 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5041 Int = usgn ? Intrinsic::aarch64_neon_umull : Intrinsic::aarch64_neon_smull; 5042 if (Type.isPoly()) Int = Intrinsic::aarch64_neon_pmull; 5043 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmull"); 5044 case NEON::BI__builtin_neon_vmax_v: 5045 case NEON::BI__builtin_neon_vmaxq_v: 5046 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5047 Int = usgn ? Intrinsic::aarch64_neon_umax : Intrinsic::aarch64_neon_smax; 5048 if (Ty->isFPOrFPVectorTy()) Int = Intrinsic::aarch64_neon_fmax; 5049 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmax"); 5050 case NEON::BI__builtin_neon_vmin_v: 5051 case NEON::BI__builtin_neon_vminq_v: 5052 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5053 Int = usgn ? Intrinsic::aarch64_neon_umin : Intrinsic::aarch64_neon_smin; 5054 if (Ty->isFPOrFPVectorTy()) Int = Intrinsic::aarch64_neon_fmin; 5055 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmin"); 5056 case NEON::BI__builtin_neon_vabd_v: 5057 case NEON::BI__builtin_neon_vabdq_v: 5058 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5059 Int = usgn ? Intrinsic::aarch64_neon_uabd : Intrinsic::aarch64_neon_sabd; 5060 if (Ty->isFPOrFPVectorTy()) Int = Intrinsic::aarch64_neon_fabd; 5061 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vabd"); 5062 case NEON::BI__builtin_neon_vpadal_v: 5063 case NEON::BI__builtin_neon_vpadalq_v: { 5064 unsigned ArgElts = VTy->getNumElements(); 5065 llvm::IntegerType *EltTy = cast<IntegerType>(VTy->getElementType()); 5066 unsigned BitWidth = EltTy->getBitWidth(); 5067 llvm::Type *ArgTy = llvm::VectorType::get( 5068 llvm::IntegerType::get(getLLVMContext(), BitWidth/2), 2*ArgElts); 5069 llvm::Type* Tys[2] = { VTy, ArgTy }; 5070 Int = usgn ? Intrinsic::aarch64_neon_uaddlp : Intrinsic::aarch64_neon_saddlp; 5071 SmallVector<llvm::Value*, 1> TmpOps; 5072 TmpOps.push_back(Ops[1]); 5073 Function *F = CGM.getIntrinsic(Int, Tys); 5074 llvm::Value *tmp = EmitNeonCall(F, TmpOps, "vpadal"); 5075 llvm::Value *addend = Builder.CreateBitCast(Ops[0], tmp->getType()); 5076 return Builder.CreateAdd(tmp, addend); 5077 } 5078 case NEON::BI__builtin_neon_vpmin_v: 5079 case NEON::BI__builtin_neon_vpminq_v: 5080 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5081 Int = usgn ? Intrinsic::aarch64_neon_uminp : Intrinsic::aarch64_neon_sminp; 5082 if (Ty->isFPOrFPVectorTy()) Int = Intrinsic::aarch64_neon_fminp; 5083 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpmin"); 5084 case NEON::BI__builtin_neon_vpmax_v: 5085 case NEON::BI__builtin_neon_vpmaxq_v: 5086 // FIXME: improve sharing scheme to cope with 3 alternative LLVM intrinsics. 5087 Int = usgn ? Intrinsic::aarch64_neon_umaxp : Intrinsic::aarch64_neon_smaxp; 5088 if (Ty->isFPOrFPVectorTy()) Int = Intrinsic::aarch64_neon_fmaxp; 5089 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpmax"); 5090 case NEON::BI__builtin_neon_vminnm_v: 5091 case NEON::BI__builtin_neon_vminnmq_v: 5092 Int = Intrinsic::aarch64_neon_fminnm; 5093 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vminnm"); 5094 case NEON::BI__builtin_neon_vmaxnm_v: 5095 case NEON::BI__builtin_neon_vmaxnmq_v: 5096 Int = Intrinsic::aarch64_neon_fmaxnm; 5097 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmaxnm"); 5098 case NEON::BI__builtin_neon_vrecpss_f32: { 5099 llvm::Type *f32Type = llvm::Type::getFloatTy(getLLVMContext()); 5100 Ops.push_back(EmitScalarExpr(E->getArg(1))); 5101 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_frecps, f32Type), 5102 Ops, "vrecps"); 5103 } 5104 case NEON::BI__builtin_neon_vrecpsd_f64: { 5105 llvm::Type *f64Type = llvm::Type::getDoubleTy(getLLVMContext()); 5106 Ops.push_back(EmitScalarExpr(E->getArg(1))); 5107 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_frecps, f64Type), 5108 Ops, "vrecps"); 5109 } 5110 case NEON::BI__builtin_neon_vqshrun_n_v: 5111 Int = Intrinsic::aarch64_neon_sqshrun; 5112 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshrun_n"); 5113 case NEON::BI__builtin_neon_vqrshrun_n_v: 5114 Int = Intrinsic::aarch64_neon_sqrshrun; 5115 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqrshrun_n"); 5116 case NEON::BI__builtin_neon_vqshrn_n_v: 5117 Int = usgn ? Intrinsic::aarch64_neon_uqshrn : Intrinsic::aarch64_neon_sqshrn; 5118 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqshrn_n"); 5119 case NEON::BI__builtin_neon_vrshrn_n_v: 5120 Int = Intrinsic::aarch64_neon_rshrn; 5121 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrshrn_n"); 5122 case NEON::BI__builtin_neon_vqrshrn_n_v: 5123 Int = usgn ? Intrinsic::aarch64_neon_uqrshrn : Intrinsic::aarch64_neon_sqrshrn; 5124 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vqrshrn_n"); 5125 case NEON::BI__builtin_neon_vrnda_v: 5126 case NEON::BI__builtin_neon_vrndaq_v: { 5127 Int = Intrinsic::round; 5128 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrnda"); 5129 } 5130 case NEON::BI__builtin_neon_vrndi_v: 5131 case NEON::BI__builtin_neon_vrndiq_v: { 5132 Int = Intrinsic::nearbyint; 5133 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndi"); 5134 } 5135 case NEON::BI__builtin_neon_vrndm_v: 5136 case NEON::BI__builtin_neon_vrndmq_v: { 5137 Int = Intrinsic::floor; 5138 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndm"); 5139 } 5140 case NEON::BI__builtin_neon_vrndn_v: 5141 case NEON::BI__builtin_neon_vrndnq_v: { 5142 Int = Intrinsic::aarch64_neon_frintn; 5143 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndn"); 5144 } 5145 case NEON::BI__builtin_neon_vrndp_v: 5146 case NEON::BI__builtin_neon_vrndpq_v: { 5147 Int = Intrinsic::ceil; 5148 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndp"); 5149 } 5150 case NEON::BI__builtin_neon_vrndx_v: 5151 case NEON::BI__builtin_neon_vrndxq_v: { 5152 Int = Intrinsic::rint; 5153 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndx"); 5154 } 5155 case NEON::BI__builtin_neon_vrnd_v: 5156 case NEON::BI__builtin_neon_vrndq_v: { 5157 Int = Intrinsic::trunc; 5158 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrndz"); 5159 } 5160 case NEON::BI__builtin_neon_vceqz_v: 5161 case NEON::BI__builtin_neon_vceqzq_v: 5162 return EmitAArch64CompareBuiltinExpr(Ops[0], Ty, ICmpInst::FCMP_OEQ, 5163 ICmpInst::ICMP_EQ, "vceqz"); 5164 case NEON::BI__builtin_neon_vcgez_v: 5165 case NEON::BI__builtin_neon_vcgezq_v: 5166 return EmitAArch64CompareBuiltinExpr(Ops[0], Ty, ICmpInst::FCMP_OGE, 5167 ICmpInst::ICMP_SGE, "vcgez"); 5168 case NEON::BI__builtin_neon_vclez_v: 5169 case NEON::BI__builtin_neon_vclezq_v: 5170 return EmitAArch64CompareBuiltinExpr(Ops[0], Ty, ICmpInst::FCMP_OLE, 5171 ICmpInst::ICMP_SLE, "vclez"); 5172 case NEON::BI__builtin_neon_vcgtz_v: 5173 case NEON::BI__builtin_neon_vcgtzq_v: 5174 return EmitAArch64CompareBuiltinExpr(Ops[0], Ty, ICmpInst::FCMP_OGT, 5175 ICmpInst::ICMP_SGT, "vcgtz"); 5176 case NEON::BI__builtin_neon_vcltz_v: 5177 case NEON::BI__builtin_neon_vcltzq_v: 5178 return EmitAArch64CompareBuiltinExpr(Ops[0], Ty, ICmpInst::FCMP_OLT, 5179 ICmpInst::ICMP_SLT, "vcltz"); 5180 case NEON::BI__builtin_neon_vcvt_f64_v: 5181 case NEON::BI__builtin_neon_vcvtq_f64_v: 5182 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5183 Ty = GetNeonType(this, NeonTypeFlags(NeonTypeFlags::Float64, false, quad)); 5184 return usgn ? Builder.CreateUIToFP(Ops[0], Ty, "vcvt") 5185 : Builder.CreateSIToFP(Ops[0], Ty, "vcvt"); 5186 case NEON::BI__builtin_neon_vcvt_f64_f32: { 5187 assert(Type.getEltType() == NeonTypeFlags::Float64 && quad && 5188 "unexpected vcvt_f64_f32 builtin"); 5189 NeonTypeFlags SrcFlag = NeonTypeFlags(NeonTypeFlags::Float32, false, false); 5190 Ops[0] = Builder.CreateBitCast(Ops[0], GetNeonType(this, SrcFlag)); 5191 5192 return Builder.CreateFPExt(Ops[0], Ty, "vcvt"); 5193 } 5194 case NEON::BI__builtin_neon_vcvt_f32_f64: { 5195 assert(Type.getEltType() == NeonTypeFlags::Float32 && 5196 "unexpected vcvt_f32_f64 builtin"); 5197 NeonTypeFlags SrcFlag = NeonTypeFlags(NeonTypeFlags::Float64, false, true); 5198 Ops[0] = Builder.CreateBitCast(Ops[0], GetNeonType(this, SrcFlag)); 5199 5200 return Builder.CreateFPTrunc(Ops[0], Ty, "vcvt"); 5201 } 5202 case NEON::BI__builtin_neon_vcvt_s32_v: 5203 case NEON::BI__builtin_neon_vcvt_u32_v: 5204 case NEON::BI__builtin_neon_vcvt_s64_v: 5205 case NEON::BI__builtin_neon_vcvt_u64_v: 5206 case NEON::BI__builtin_neon_vcvtq_s32_v: 5207 case NEON::BI__builtin_neon_vcvtq_u32_v: 5208 case NEON::BI__builtin_neon_vcvtq_s64_v: 5209 case NEON::BI__builtin_neon_vcvtq_u64_v: { 5210 bool Double = 5211 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 5212 llvm::Type *InTy = 5213 GetNeonType(this, 5214 NeonTypeFlags(Double ? NeonTypeFlags::Float64 5215 : NeonTypeFlags::Float32, false, quad)); 5216 Ops[0] = Builder.CreateBitCast(Ops[0], InTy); 5217 if (usgn) 5218 return Builder.CreateFPToUI(Ops[0], Ty); 5219 return Builder.CreateFPToSI(Ops[0], Ty); 5220 } 5221 case NEON::BI__builtin_neon_vcvta_s32_v: 5222 case NEON::BI__builtin_neon_vcvtaq_s32_v: 5223 case NEON::BI__builtin_neon_vcvta_u32_v: 5224 case NEON::BI__builtin_neon_vcvtaq_u32_v: 5225 case NEON::BI__builtin_neon_vcvta_s64_v: 5226 case NEON::BI__builtin_neon_vcvtaq_s64_v: 5227 case NEON::BI__builtin_neon_vcvta_u64_v: 5228 case NEON::BI__builtin_neon_vcvtaq_u64_v: { 5229 Int = usgn ? Intrinsic::aarch64_neon_fcvtau : Intrinsic::aarch64_neon_fcvtas; 5230 bool Double = 5231 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 5232 llvm::Type *InTy = 5233 GetNeonType(this, 5234 NeonTypeFlags(Double ? NeonTypeFlags::Float64 5235 : NeonTypeFlags::Float32, false, quad)); 5236 llvm::Type *Tys[2] = { Ty, InTy }; 5237 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vcvta"); 5238 } 5239 case NEON::BI__builtin_neon_vcvtm_s32_v: 5240 case NEON::BI__builtin_neon_vcvtmq_s32_v: 5241 case NEON::BI__builtin_neon_vcvtm_u32_v: 5242 case NEON::BI__builtin_neon_vcvtmq_u32_v: 5243 case NEON::BI__builtin_neon_vcvtm_s64_v: 5244 case NEON::BI__builtin_neon_vcvtmq_s64_v: 5245 case NEON::BI__builtin_neon_vcvtm_u64_v: 5246 case NEON::BI__builtin_neon_vcvtmq_u64_v: { 5247 Int = usgn ? Intrinsic::aarch64_neon_fcvtmu : Intrinsic::aarch64_neon_fcvtms; 5248 bool Double = 5249 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 5250 llvm::Type *InTy = 5251 GetNeonType(this, 5252 NeonTypeFlags(Double ? NeonTypeFlags::Float64 5253 : NeonTypeFlags::Float32, false, quad)); 5254 llvm::Type *Tys[2] = { Ty, InTy }; 5255 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vcvtm"); 5256 } 5257 case NEON::BI__builtin_neon_vcvtn_s32_v: 5258 case NEON::BI__builtin_neon_vcvtnq_s32_v: 5259 case NEON::BI__builtin_neon_vcvtn_u32_v: 5260 case NEON::BI__builtin_neon_vcvtnq_u32_v: 5261 case NEON::BI__builtin_neon_vcvtn_s64_v: 5262 case NEON::BI__builtin_neon_vcvtnq_s64_v: 5263 case NEON::BI__builtin_neon_vcvtn_u64_v: 5264 case NEON::BI__builtin_neon_vcvtnq_u64_v: { 5265 Int = usgn ? Intrinsic::aarch64_neon_fcvtnu : Intrinsic::aarch64_neon_fcvtns; 5266 bool Double = 5267 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 5268 llvm::Type *InTy = 5269 GetNeonType(this, 5270 NeonTypeFlags(Double ? NeonTypeFlags::Float64 5271 : NeonTypeFlags::Float32, false, quad)); 5272 llvm::Type *Tys[2] = { Ty, InTy }; 5273 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vcvtn"); 5274 } 5275 case NEON::BI__builtin_neon_vcvtp_s32_v: 5276 case NEON::BI__builtin_neon_vcvtpq_s32_v: 5277 case NEON::BI__builtin_neon_vcvtp_u32_v: 5278 case NEON::BI__builtin_neon_vcvtpq_u32_v: 5279 case NEON::BI__builtin_neon_vcvtp_s64_v: 5280 case NEON::BI__builtin_neon_vcvtpq_s64_v: 5281 case NEON::BI__builtin_neon_vcvtp_u64_v: 5282 case NEON::BI__builtin_neon_vcvtpq_u64_v: { 5283 Int = usgn ? Intrinsic::aarch64_neon_fcvtpu : Intrinsic::aarch64_neon_fcvtps; 5284 bool Double = 5285 (cast<llvm::IntegerType>(VTy->getElementType())->getBitWidth() == 64); 5286 llvm::Type *InTy = 5287 GetNeonType(this, 5288 NeonTypeFlags(Double ? NeonTypeFlags::Float64 5289 : NeonTypeFlags::Float32, false, quad)); 5290 llvm::Type *Tys[2] = { Ty, InTy }; 5291 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vcvtp"); 5292 } 5293 case NEON::BI__builtin_neon_vmulx_v: 5294 case NEON::BI__builtin_neon_vmulxq_v: { 5295 Int = Intrinsic::aarch64_neon_fmulx; 5296 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vmulx"); 5297 } 5298 case NEON::BI__builtin_neon_vmul_lane_v: 5299 case NEON::BI__builtin_neon_vmul_laneq_v: { 5300 // v1f64 vmul_lane should be mapped to Neon scalar mul lane 5301 bool Quad = false; 5302 if (BuiltinID == NEON::BI__builtin_neon_vmul_laneq_v) 5303 Quad = true; 5304 Ops[0] = Builder.CreateBitCast(Ops[0], DoubleTy); 5305 llvm::Type *VTy = GetNeonType(this, 5306 NeonTypeFlags(NeonTypeFlags::Float64, false, Quad)); 5307 Ops[1] = Builder.CreateBitCast(Ops[1], VTy); 5308 Ops[1] = Builder.CreateExtractElement(Ops[1], Ops[2], "extract"); 5309 Value *Result = Builder.CreateFMul(Ops[0], Ops[1]); 5310 return Builder.CreateBitCast(Result, Ty); 5311 } 5312 case NEON::BI__builtin_neon_vnegd_s64: 5313 return Builder.CreateNeg(EmitScalarExpr(E->getArg(0)), "vnegd"); 5314 case NEON::BI__builtin_neon_vpmaxnm_v: 5315 case NEON::BI__builtin_neon_vpmaxnmq_v: { 5316 Int = Intrinsic::aarch64_neon_fmaxnmp; 5317 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpmaxnm"); 5318 } 5319 case NEON::BI__builtin_neon_vpminnm_v: 5320 case NEON::BI__builtin_neon_vpminnmq_v: { 5321 Int = Intrinsic::aarch64_neon_fminnmp; 5322 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vpminnm"); 5323 } 5324 case NEON::BI__builtin_neon_vsqrt_v: 5325 case NEON::BI__builtin_neon_vsqrtq_v: { 5326 Int = Intrinsic::sqrt; 5327 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5328 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vsqrt"); 5329 } 5330 case NEON::BI__builtin_neon_vrbit_v: 5331 case NEON::BI__builtin_neon_vrbitq_v: { 5332 Int = Intrinsic::aarch64_neon_rbit; 5333 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vrbit"); 5334 } 5335 case NEON::BI__builtin_neon_vaddv_u8: 5336 // FIXME: These are handled by the AArch64 scalar code. 5337 usgn = true; 5338 // FALLTHROUGH 5339 case NEON::BI__builtin_neon_vaddv_s8: { 5340 Int = usgn ? Intrinsic::aarch64_neon_uaddv : Intrinsic::aarch64_neon_saddv; 5341 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5342 VTy = 5343 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5344 llvm::Type *Tys[2] = { Ty, VTy }; 5345 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5346 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddv"); 5347 return Builder.CreateTrunc(Ops[0], 5348 llvm::IntegerType::get(getLLVMContext(), 8)); 5349 } 5350 case NEON::BI__builtin_neon_vaddv_u16: 5351 usgn = true; 5352 // FALLTHROUGH 5353 case NEON::BI__builtin_neon_vaddv_s16: { 5354 Int = usgn ? Intrinsic::aarch64_neon_uaddv : Intrinsic::aarch64_neon_saddv; 5355 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5356 VTy = 5357 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5358 llvm::Type *Tys[2] = { Ty, VTy }; 5359 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5360 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddv"); 5361 return Builder.CreateTrunc(Ops[0], 5362 llvm::IntegerType::get(getLLVMContext(), 16)); 5363 } 5364 case NEON::BI__builtin_neon_vaddvq_u8: 5365 usgn = true; 5366 // FALLTHROUGH 5367 case NEON::BI__builtin_neon_vaddvq_s8: { 5368 Int = usgn ? Intrinsic::aarch64_neon_uaddv : Intrinsic::aarch64_neon_saddv; 5369 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5370 VTy = 5371 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5372 llvm::Type *Tys[2] = { Ty, VTy }; 5373 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5374 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddv"); 5375 return Builder.CreateTrunc(Ops[0], 5376 llvm::IntegerType::get(getLLVMContext(), 8)); 5377 } 5378 case NEON::BI__builtin_neon_vaddvq_u16: 5379 usgn = true; 5380 // FALLTHROUGH 5381 case NEON::BI__builtin_neon_vaddvq_s16: { 5382 Int = usgn ? Intrinsic::aarch64_neon_uaddv : Intrinsic::aarch64_neon_saddv; 5383 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5384 VTy = 5385 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5386 llvm::Type *Tys[2] = { Ty, VTy }; 5387 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5388 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddv"); 5389 return Builder.CreateTrunc(Ops[0], 5390 llvm::IntegerType::get(getLLVMContext(), 16)); 5391 } 5392 case NEON::BI__builtin_neon_vmaxv_u8: { 5393 Int = Intrinsic::aarch64_neon_umaxv; 5394 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5395 VTy = 5396 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5397 llvm::Type *Tys[2] = { Ty, VTy }; 5398 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5399 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5400 return Builder.CreateTrunc(Ops[0], 5401 llvm::IntegerType::get(getLLVMContext(), 8)); 5402 } 5403 case NEON::BI__builtin_neon_vmaxv_u16: { 5404 Int = Intrinsic::aarch64_neon_umaxv; 5405 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5406 VTy = 5407 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5408 llvm::Type *Tys[2] = { Ty, VTy }; 5409 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5410 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5411 return Builder.CreateTrunc(Ops[0], 5412 llvm::IntegerType::get(getLLVMContext(), 16)); 5413 } 5414 case NEON::BI__builtin_neon_vmaxvq_u8: { 5415 Int = Intrinsic::aarch64_neon_umaxv; 5416 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5417 VTy = 5418 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5419 llvm::Type *Tys[2] = { Ty, VTy }; 5420 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5421 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5422 return Builder.CreateTrunc(Ops[0], 5423 llvm::IntegerType::get(getLLVMContext(), 8)); 5424 } 5425 case NEON::BI__builtin_neon_vmaxvq_u16: { 5426 Int = Intrinsic::aarch64_neon_umaxv; 5427 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5428 VTy = 5429 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5430 llvm::Type *Tys[2] = { Ty, VTy }; 5431 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5432 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5433 return Builder.CreateTrunc(Ops[0], 5434 llvm::IntegerType::get(getLLVMContext(), 16)); 5435 } 5436 case NEON::BI__builtin_neon_vmaxv_s8: { 5437 Int = Intrinsic::aarch64_neon_smaxv; 5438 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5439 VTy = 5440 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5441 llvm::Type *Tys[2] = { Ty, VTy }; 5442 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5443 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5444 return Builder.CreateTrunc(Ops[0], 5445 llvm::IntegerType::get(getLLVMContext(), 8)); 5446 } 5447 case NEON::BI__builtin_neon_vmaxv_s16: { 5448 Int = Intrinsic::aarch64_neon_smaxv; 5449 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5450 VTy = 5451 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5452 llvm::Type *Tys[2] = { Ty, VTy }; 5453 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5454 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5455 return Builder.CreateTrunc(Ops[0], 5456 llvm::IntegerType::get(getLLVMContext(), 16)); 5457 } 5458 case NEON::BI__builtin_neon_vmaxvq_s8: { 5459 Int = Intrinsic::aarch64_neon_smaxv; 5460 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5461 VTy = 5462 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5463 llvm::Type *Tys[2] = { Ty, VTy }; 5464 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5465 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5466 return Builder.CreateTrunc(Ops[0], 5467 llvm::IntegerType::get(getLLVMContext(), 8)); 5468 } 5469 case NEON::BI__builtin_neon_vmaxvq_s16: { 5470 Int = Intrinsic::aarch64_neon_smaxv; 5471 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5472 VTy = 5473 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5474 llvm::Type *Tys[2] = { Ty, VTy }; 5475 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5476 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vmaxv"); 5477 return Builder.CreateTrunc(Ops[0], 5478 llvm::IntegerType::get(getLLVMContext(), 16)); 5479 } 5480 case NEON::BI__builtin_neon_vminv_u8: { 5481 Int = Intrinsic::aarch64_neon_uminv; 5482 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5483 VTy = 5484 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5485 llvm::Type *Tys[2] = { Ty, VTy }; 5486 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5487 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5488 return Builder.CreateTrunc(Ops[0], 5489 llvm::IntegerType::get(getLLVMContext(), 8)); 5490 } 5491 case NEON::BI__builtin_neon_vminv_u16: { 5492 Int = Intrinsic::aarch64_neon_uminv; 5493 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5494 VTy = 5495 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5496 llvm::Type *Tys[2] = { Ty, VTy }; 5497 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5498 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5499 return Builder.CreateTrunc(Ops[0], 5500 llvm::IntegerType::get(getLLVMContext(), 16)); 5501 } 5502 case NEON::BI__builtin_neon_vminvq_u8: { 5503 Int = Intrinsic::aarch64_neon_uminv; 5504 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5505 VTy = 5506 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5507 llvm::Type *Tys[2] = { Ty, VTy }; 5508 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5509 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5510 return Builder.CreateTrunc(Ops[0], 5511 llvm::IntegerType::get(getLLVMContext(), 8)); 5512 } 5513 case NEON::BI__builtin_neon_vminvq_u16: { 5514 Int = Intrinsic::aarch64_neon_uminv; 5515 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5516 VTy = 5517 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5518 llvm::Type *Tys[2] = { Ty, VTy }; 5519 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5520 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5521 return Builder.CreateTrunc(Ops[0], 5522 llvm::IntegerType::get(getLLVMContext(), 16)); 5523 } 5524 case NEON::BI__builtin_neon_vminv_s8: { 5525 Int = Intrinsic::aarch64_neon_sminv; 5526 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5527 VTy = 5528 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5529 llvm::Type *Tys[2] = { Ty, VTy }; 5530 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5531 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5532 return Builder.CreateTrunc(Ops[0], 5533 llvm::IntegerType::get(getLLVMContext(), 8)); 5534 } 5535 case NEON::BI__builtin_neon_vminv_s16: { 5536 Int = Intrinsic::aarch64_neon_sminv; 5537 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5538 VTy = 5539 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5540 llvm::Type *Tys[2] = { Ty, VTy }; 5541 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5542 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5543 return Builder.CreateTrunc(Ops[0], 5544 llvm::IntegerType::get(getLLVMContext(), 16)); 5545 } 5546 case NEON::BI__builtin_neon_vminvq_s8: { 5547 Int = Intrinsic::aarch64_neon_sminv; 5548 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5549 VTy = 5550 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5551 llvm::Type *Tys[2] = { Ty, VTy }; 5552 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5553 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5554 return Builder.CreateTrunc(Ops[0], 5555 llvm::IntegerType::get(getLLVMContext(), 8)); 5556 } 5557 case NEON::BI__builtin_neon_vminvq_s16: { 5558 Int = Intrinsic::aarch64_neon_sminv; 5559 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5560 VTy = 5561 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5562 llvm::Type *Tys[2] = { Ty, VTy }; 5563 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5564 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vminv"); 5565 return Builder.CreateTrunc(Ops[0], 5566 llvm::IntegerType::get(getLLVMContext(), 16)); 5567 } 5568 case NEON::BI__builtin_neon_vmul_n_f64: { 5569 Ops[0] = Builder.CreateBitCast(Ops[0], DoubleTy); 5570 Value *RHS = Builder.CreateBitCast(EmitScalarExpr(E->getArg(1)), DoubleTy); 5571 return Builder.CreateFMul(Ops[0], RHS); 5572 } 5573 case NEON::BI__builtin_neon_vaddlv_u8: { 5574 Int = Intrinsic::aarch64_neon_uaddlv; 5575 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5576 VTy = 5577 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5578 llvm::Type *Tys[2] = { Ty, VTy }; 5579 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5580 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5581 return Builder.CreateTrunc(Ops[0], 5582 llvm::IntegerType::get(getLLVMContext(), 16)); 5583 } 5584 case NEON::BI__builtin_neon_vaddlv_u16: { 5585 Int = Intrinsic::aarch64_neon_uaddlv; 5586 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5587 VTy = 5588 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5589 llvm::Type *Tys[2] = { Ty, VTy }; 5590 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5591 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5592 } 5593 case NEON::BI__builtin_neon_vaddlvq_u8: { 5594 Int = Intrinsic::aarch64_neon_uaddlv; 5595 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5596 VTy = 5597 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5598 llvm::Type *Tys[2] = { Ty, VTy }; 5599 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5600 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5601 return Builder.CreateTrunc(Ops[0], 5602 llvm::IntegerType::get(getLLVMContext(), 16)); 5603 } 5604 case NEON::BI__builtin_neon_vaddlvq_u16: { 5605 Int = Intrinsic::aarch64_neon_uaddlv; 5606 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5607 VTy = 5608 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5609 llvm::Type *Tys[2] = { Ty, VTy }; 5610 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5611 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5612 } 5613 case NEON::BI__builtin_neon_vaddlv_s8: { 5614 Int = Intrinsic::aarch64_neon_saddlv; 5615 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5616 VTy = 5617 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 8); 5618 llvm::Type *Tys[2] = { Ty, VTy }; 5619 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5620 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5621 return Builder.CreateTrunc(Ops[0], 5622 llvm::IntegerType::get(getLLVMContext(), 16)); 5623 } 5624 case NEON::BI__builtin_neon_vaddlv_s16: { 5625 Int = Intrinsic::aarch64_neon_saddlv; 5626 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5627 VTy = 5628 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 4); 5629 llvm::Type *Tys[2] = { Ty, VTy }; 5630 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5631 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5632 } 5633 case NEON::BI__builtin_neon_vaddlvq_s8: { 5634 Int = Intrinsic::aarch64_neon_saddlv; 5635 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5636 VTy = 5637 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 8), 16); 5638 llvm::Type *Tys[2] = { Ty, VTy }; 5639 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5640 Ops[0] = EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5641 return Builder.CreateTrunc(Ops[0], 5642 llvm::IntegerType::get(getLLVMContext(), 16)); 5643 } 5644 case NEON::BI__builtin_neon_vaddlvq_s16: { 5645 Int = Intrinsic::aarch64_neon_saddlv; 5646 Ty = llvm::IntegerType::get(getLLVMContext(), 32); 5647 VTy = 5648 llvm::VectorType::get(llvm::IntegerType::get(getLLVMContext(), 16), 8); 5649 llvm::Type *Tys[2] = { Ty, VTy }; 5650 Ops.push_back(EmitScalarExpr(E->getArg(0))); 5651 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), Ops, "vaddlv"); 5652 } 5653 case NEON::BI__builtin_neon_vsri_n_v: 5654 case NEON::BI__builtin_neon_vsriq_n_v: { 5655 Int = Intrinsic::aarch64_neon_vsri; 5656 llvm::Function *Intrin = CGM.getIntrinsic(Int, Ty); 5657 return EmitNeonCall(Intrin, Ops, "vsri_n"); 5658 } 5659 case NEON::BI__builtin_neon_vsli_n_v: 5660 case NEON::BI__builtin_neon_vsliq_n_v: { 5661 Int = Intrinsic::aarch64_neon_vsli; 5662 llvm::Function *Intrin = CGM.getIntrinsic(Int, Ty); 5663 return EmitNeonCall(Intrin, Ops, "vsli_n"); 5664 } 5665 case NEON::BI__builtin_neon_vsra_n_v: 5666 case NEON::BI__builtin_neon_vsraq_n_v: 5667 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5668 Ops[1] = EmitNeonRShiftImm(Ops[1], Ops[2], Ty, usgn, "vsra_n"); 5669 return Builder.CreateAdd(Ops[0], Ops[1]); 5670 case NEON::BI__builtin_neon_vrsra_n_v: 5671 case NEON::BI__builtin_neon_vrsraq_n_v: { 5672 Int = usgn ? Intrinsic::aarch64_neon_urshl : Intrinsic::aarch64_neon_srshl; 5673 SmallVector<llvm::Value*,2> TmpOps; 5674 TmpOps.push_back(Ops[1]); 5675 TmpOps.push_back(Ops[2]); 5676 Function* F = CGM.getIntrinsic(Int, Ty); 5677 llvm::Value *tmp = EmitNeonCall(F, TmpOps, "vrshr_n", 1, true); 5678 Ops[0] = Builder.CreateBitCast(Ops[0], VTy); 5679 return Builder.CreateAdd(Ops[0], tmp); 5680 } 5681 // FIXME: Sharing loads & stores with 32-bit is complicated by the absence 5682 // of an Align parameter here. 5683 case NEON::BI__builtin_neon_vld1_x2_v: 5684 case NEON::BI__builtin_neon_vld1q_x2_v: 5685 case NEON::BI__builtin_neon_vld1_x3_v: 5686 case NEON::BI__builtin_neon_vld1q_x3_v: 5687 case NEON::BI__builtin_neon_vld1_x4_v: 5688 case NEON::BI__builtin_neon_vld1q_x4_v: { 5689 llvm::Type *PTy = llvm::PointerType::getUnqual(VTy->getVectorElementType()); 5690 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5691 llvm::Type *Tys[2] = { VTy, PTy }; 5692 unsigned Int; 5693 switch (BuiltinID) { 5694 case NEON::BI__builtin_neon_vld1_x2_v: 5695 case NEON::BI__builtin_neon_vld1q_x2_v: 5696 Int = Intrinsic::aarch64_neon_ld1x2; 5697 break; 5698 case NEON::BI__builtin_neon_vld1_x3_v: 5699 case NEON::BI__builtin_neon_vld1q_x3_v: 5700 Int = Intrinsic::aarch64_neon_ld1x3; 5701 break; 5702 case NEON::BI__builtin_neon_vld1_x4_v: 5703 case NEON::BI__builtin_neon_vld1q_x4_v: 5704 Int = Intrinsic::aarch64_neon_ld1x4; 5705 break; 5706 } 5707 Function *F = CGM.getIntrinsic(Int, Tys); 5708 Ops[1] = Builder.CreateCall(F, Ops[1], "vld1xN"); 5709 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 5710 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5711 return Builder.CreateStore(Ops[1], Ops[0]); 5712 } 5713 case NEON::BI__builtin_neon_vst1_x2_v: 5714 case NEON::BI__builtin_neon_vst1q_x2_v: 5715 case NEON::BI__builtin_neon_vst1_x3_v: 5716 case NEON::BI__builtin_neon_vst1q_x3_v: 5717 case NEON::BI__builtin_neon_vst1_x4_v: 5718 case NEON::BI__builtin_neon_vst1q_x4_v: { 5719 llvm::Type *PTy = llvm::PointerType::getUnqual(VTy->getVectorElementType()); 5720 llvm::Type *Tys[2] = { VTy, PTy }; 5721 unsigned Int; 5722 switch (BuiltinID) { 5723 case NEON::BI__builtin_neon_vst1_x2_v: 5724 case NEON::BI__builtin_neon_vst1q_x2_v: 5725 Int = Intrinsic::aarch64_neon_st1x2; 5726 break; 5727 case NEON::BI__builtin_neon_vst1_x3_v: 5728 case NEON::BI__builtin_neon_vst1q_x3_v: 5729 Int = Intrinsic::aarch64_neon_st1x3; 5730 break; 5731 case NEON::BI__builtin_neon_vst1_x4_v: 5732 case NEON::BI__builtin_neon_vst1q_x4_v: 5733 Int = Intrinsic::aarch64_neon_st1x4; 5734 break; 5735 } 5736 SmallVector<Value *, 4> IntOps(Ops.begin()+1, Ops.end()); 5737 IntOps.push_back(Ops[0]); 5738 return EmitNeonCall(CGM.getIntrinsic(Int, Tys), IntOps, ""); 5739 } 5740 case NEON::BI__builtin_neon_vld1_v: 5741 case NEON::BI__builtin_neon_vld1q_v: 5742 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(VTy)); 5743 return Builder.CreateLoad(Ops[0]); 5744 case NEON::BI__builtin_neon_vst1_v: 5745 case NEON::BI__builtin_neon_vst1q_v: 5746 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(VTy)); 5747 Ops[1] = Builder.CreateBitCast(Ops[1], VTy); 5748 return Builder.CreateStore(Ops[1], Ops[0]); 5749 case NEON::BI__builtin_neon_vld1_lane_v: 5750 case NEON::BI__builtin_neon_vld1q_lane_v: 5751 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5752 Ty = llvm::PointerType::getUnqual(VTy->getElementType()); 5753 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5754 Ops[0] = Builder.CreateLoad(Ops[0]); 5755 return Builder.CreateInsertElement(Ops[1], Ops[0], Ops[2], "vld1_lane"); 5756 case NEON::BI__builtin_neon_vld1_dup_v: 5757 case NEON::BI__builtin_neon_vld1q_dup_v: { 5758 Value *V = UndefValue::get(Ty); 5759 Ty = llvm::PointerType::getUnqual(VTy->getElementType()); 5760 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5761 Ops[0] = Builder.CreateLoad(Ops[0]); 5762 llvm::Constant *CI = ConstantInt::get(Int32Ty, 0); 5763 Ops[0] = Builder.CreateInsertElement(V, Ops[0], CI); 5764 return EmitNeonSplat(Ops[0], CI); 5765 } 5766 case NEON::BI__builtin_neon_vst1_lane_v: 5767 case NEON::BI__builtin_neon_vst1q_lane_v: 5768 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5769 Ops[1] = Builder.CreateExtractElement(Ops[1], Ops[2]); 5770 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 5771 return Builder.CreateStore(Ops[1], Builder.CreateBitCast(Ops[0], Ty)); 5772 case NEON::BI__builtin_neon_vld2_v: 5773 case NEON::BI__builtin_neon_vld2q_v: { 5774 llvm::Type *PTy = llvm::PointerType::getUnqual(VTy); 5775 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5776 llvm::Type *Tys[2] = { VTy, PTy }; 5777 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld2, Tys); 5778 Ops[1] = Builder.CreateCall(F, Ops[1], "vld2"); 5779 Ops[0] = Builder.CreateBitCast(Ops[0], 5780 llvm::PointerType::getUnqual(Ops[1]->getType())); 5781 return Builder.CreateStore(Ops[1], Ops[0]); 5782 } 5783 case NEON::BI__builtin_neon_vld3_v: 5784 case NEON::BI__builtin_neon_vld3q_v: { 5785 llvm::Type *PTy = llvm::PointerType::getUnqual(VTy); 5786 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5787 llvm::Type *Tys[2] = { VTy, PTy }; 5788 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld3, Tys); 5789 Ops[1] = Builder.CreateCall(F, Ops[1], "vld3"); 5790 Ops[0] = Builder.CreateBitCast(Ops[0], 5791 llvm::PointerType::getUnqual(Ops[1]->getType())); 5792 return Builder.CreateStore(Ops[1], Ops[0]); 5793 } 5794 case NEON::BI__builtin_neon_vld4_v: 5795 case NEON::BI__builtin_neon_vld4q_v: { 5796 llvm::Type *PTy = llvm::PointerType::getUnqual(VTy); 5797 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5798 llvm::Type *Tys[2] = { VTy, PTy }; 5799 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld4, Tys); 5800 Ops[1] = Builder.CreateCall(F, Ops[1], "vld4"); 5801 Ops[0] = Builder.CreateBitCast(Ops[0], 5802 llvm::PointerType::getUnqual(Ops[1]->getType())); 5803 return Builder.CreateStore(Ops[1], Ops[0]); 5804 } 5805 case NEON::BI__builtin_neon_vld2_dup_v: 5806 case NEON::BI__builtin_neon_vld2q_dup_v: { 5807 llvm::Type *PTy = 5808 llvm::PointerType::getUnqual(VTy->getElementType()); 5809 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5810 llvm::Type *Tys[2] = { VTy, PTy }; 5811 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld2r, Tys); 5812 Ops[1] = Builder.CreateCall(F, Ops[1], "vld2"); 5813 Ops[0] = Builder.CreateBitCast(Ops[0], 5814 llvm::PointerType::getUnqual(Ops[1]->getType())); 5815 return Builder.CreateStore(Ops[1], Ops[0]); 5816 } 5817 case NEON::BI__builtin_neon_vld3_dup_v: 5818 case NEON::BI__builtin_neon_vld3q_dup_v: { 5819 llvm::Type *PTy = 5820 llvm::PointerType::getUnqual(VTy->getElementType()); 5821 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5822 llvm::Type *Tys[2] = { VTy, PTy }; 5823 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld3r, Tys); 5824 Ops[1] = Builder.CreateCall(F, Ops[1], "vld3"); 5825 Ops[0] = Builder.CreateBitCast(Ops[0], 5826 llvm::PointerType::getUnqual(Ops[1]->getType())); 5827 return Builder.CreateStore(Ops[1], Ops[0]); 5828 } 5829 case NEON::BI__builtin_neon_vld4_dup_v: 5830 case NEON::BI__builtin_neon_vld4q_dup_v: { 5831 llvm::Type *PTy = 5832 llvm::PointerType::getUnqual(VTy->getElementType()); 5833 Ops[1] = Builder.CreateBitCast(Ops[1], PTy); 5834 llvm::Type *Tys[2] = { VTy, PTy }; 5835 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld4r, Tys); 5836 Ops[1] = Builder.CreateCall(F, Ops[1], "vld4"); 5837 Ops[0] = Builder.CreateBitCast(Ops[0], 5838 llvm::PointerType::getUnqual(Ops[1]->getType())); 5839 return Builder.CreateStore(Ops[1], Ops[0]); 5840 } 5841 case NEON::BI__builtin_neon_vld2_lane_v: 5842 case NEON::BI__builtin_neon_vld2q_lane_v: { 5843 llvm::Type *Tys[2] = { VTy, Ops[1]->getType() }; 5844 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld2lane, Tys); 5845 Ops.push_back(Ops[1]); 5846 Ops.erase(Ops.begin()+1); 5847 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5848 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5849 Ops[3] = Builder.CreateZExt(Ops[3], 5850 llvm::IntegerType::get(getLLVMContext(), 64)); 5851 Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld2_lane"); 5852 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 5853 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5854 return Builder.CreateStore(Ops[1], Ops[0]); 5855 } 5856 case NEON::BI__builtin_neon_vld3_lane_v: 5857 case NEON::BI__builtin_neon_vld3q_lane_v: { 5858 llvm::Type *Tys[2] = { VTy, Ops[1]->getType() }; 5859 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld3lane, Tys); 5860 Ops.push_back(Ops[1]); 5861 Ops.erase(Ops.begin()+1); 5862 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5863 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5864 Ops[3] = Builder.CreateBitCast(Ops[3], Ty); 5865 Ops[4] = Builder.CreateZExt(Ops[4], 5866 llvm::IntegerType::get(getLLVMContext(), 64)); 5867 Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld3_lane"); 5868 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 5869 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5870 return Builder.CreateStore(Ops[1], Ops[0]); 5871 } 5872 case NEON::BI__builtin_neon_vld4_lane_v: 5873 case NEON::BI__builtin_neon_vld4q_lane_v: { 5874 llvm::Type *Tys[2] = { VTy, Ops[1]->getType() }; 5875 Function *F = CGM.getIntrinsic(Intrinsic::aarch64_neon_ld4lane, Tys); 5876 Ops.push_back(Ops[1]); 5877 Ops.erase(Ops.begin()+1); 5878 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5879 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5880 Ops[3] = Builder.CreateBitCast(Ops[3], Ty); 5881 Ops[4] = Builder.CreateBitCast(Ops[4], Ty); 5882 Ops[5] = Builder.CreateZExt(Ops[5], 5883 llvm::IntegerType::get(getLLVMContext(), 64)); 5884 Ops[1] = Builder.CreateCall(F, makeArrayRef(Ops).slice(1), "vld4_lane"); 5885 Ty = llvm::PointerType::getUnqual(Ops[1]->getType()); 5886 Ops[0] = Builder.CreateBitCast(Ops[0], Ty); 5887 return Builder.CreateStore(Ops[1], Ops[0]); 5888 } 5889 case NEON::BI__builtin_neon_vst2_v: 5890 case NEON::BI__builtin_neon_vst2q_v: { 5891 Ops.push_back(Ops[0]); 5892 Ops.erase(Ops.begin()); 5893 llvm::Type *Tys[2] = { VTy, Ops[2]->getType() }; 5894 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st2, Tys), 5895 Ops, ""); 5896 } 5897 case NEON::BI__builtin_neon_vst2_lane_v: 5898 case NEON::BI__builtin_neon_vst2q_lane_v: { 5899 Ops.push_back(Ops[0]); 5900 Ops.erase(Ops.begin()); 5901 Ops[2] = Builder.CreateZExt(Ops[2], 5902 llvm::IntegerType::get(getLLVMContext(), 64)); 5903 llvm::Type *Tys[2] = { VTy, Ops[3]->getType() }; 5904 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st2lane, Tys), 5905 Ops, ""); 5906 } 5907 case NEON::BI__builtin_neon_vst3_v: 5908 case NEON::BI__builtin_neon_vst3q_v: { 5909 Ops.push_back(Ops[0]); 5910 Ops.erase(Ops.begin()); 5911 llvm::Type *Tys[2] = { VTy, Ops[3]->getType() }; 5912 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st3, Tys), 5913 Ops, ""); 5914 } 5915 case NEON::BI__builtin_neon_vst3_lane_v: 5916 case NEON::BI__builtin_neon_vst3q_lane_v: { 5917 Ops.push_back(Ops[0]); 5918 Ops.erase(Ops.begin()); 5919 Ops[3] = Builder.CreateZExt(Ops[3], 5920 llvm::IntegerType::get(getLLVMContext(), 64)); 5921 llvm::Type *Tys[2] = { VTy, Ops[4]->getType() }; 5922 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st3lane, Tys), 5923 Ops, ""); 5924 } 5925 case NEON::BI__builtin_neon_vst4_v: 5926 case NEON::BI__builtin_neon_vst4q_v: { 5927 Ops.push_back(Ops[0]); 5928 Ops.erase(Ops.begin()); 5929 llvm::Type *Tys[2] = { VTy, Ops[4]->getType() }; 5930 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st4, Tys), 5931 Ops, ""); 5932 } 5933 case NEON::BI__builtin_neon_vst4_lane_v: 5934 case NEON::BI__builtin_neon_vst4q_lane_v: { 5935 Ops.push_back(Ops[0]); 5936 Ops.erase(Ops.begin()); 5937 Ops[4] = Builder.CreateZExt(Ops[4], 5938 llvm::IntegerType::get(getLLVMContext(), 64)); 5939 llvm::Type *Tys[2] = { VTy, Ops[5]->getType() }; 5940 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_st4lane, Tys), 5941 Ops, ""); 5942 } 5943 case NEON::BI__builtin_neon_vtrn_v: 5944 case NEON::BI__builtin_neon_vtrnq_v: { 5945 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 5946 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5947 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5948 Value *SV = nullptr; 5949 5950 for (unsigned vi = 0; vi != 2; ++vi) { 5951 SmallVector<Constant*, 16> Indices; 5952 for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) { 5953 Indices.push_back(ConstantInt::get(Int32Ty, i+vi)); 5954 Indices.push_back(ConstantInt::get(Int32Ty, i+e+vi)); 5955 } 5956 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 5957 SV = llvm::ConstantVector::get(Indices); 5958 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vtrn"); 5959 SV = Builder.CreateStore(SV, Addr); 5960 } 5961 return SV; 5962 } 5963 case NEON::BI__builtin_neon_vuzp_v: 5964 case NEON::BI__builtin_neon_vuzpq_v: { 5965 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 5966 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5967 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5968 Value *SV = nullptr; 5969 5970 for (unsigned vi = 0; vi != 2; ++vi) { 5971 SmallVector<Constant*, 16> Indices; 5972 for (unsigned i = 0, e = VTy->getNumElements(); i != e; ++i) 5973 Indices.push_back(ConstantInt::get(Int32Ty, 2*i+vi)); 5974 5975 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 5976 SV = llvm::ConstantVector::get(Indices); 5977 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vuzp"); 5978 SV = Builder.CreateStore(SV, Addr); 5979 } 5980 return SV; 5981 } 5982 case NEON::BI__builtin_neon_vzip_v: 5983 case NEON::BI__builtin_neon_vzipq_v: { 5984 Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(Ty)); 5985 Ops[1] = Builder.CreateBitCast(Ops[1], Ty); 5986 Ops[2] = Builder.CreateBitCast(Ops[2], Ty); 5987 Value *SV = nullptr; 5988 5989 for (unsigned vi = 0; vi != 2; ++vi) { 5990 SmallVector<Constant*, 16> Indices; 5991 for (unsigned i = 0, e = VTy->getNumElements(); i != e; i += 2) { 5992 Indices.push_back(ConstantInt::get(Int32Ty, (i + vi*e) >> 1)); 5993 Indices.push_back(ConstantInt::get(Int32Ty, ((i + vi*e) >> 1)+e)); 5994 } 5995 Value *Addr = Builder.CreateConstInBoundsGEP1_32(Ty, Ops[0], vi); 5996 SV = llvm::ConstantVector::get(Indices); 5997 SV = Builder.CreateShuffleVector(Ops[1], Ops[2], SV, "vzip"); 5998 SV = Builder.CreateStore(SV, Addr); 5999 } 6000 return SV; 6001 } 6002 case NEON::BI__builtin_neon_vqtbl1q_v: { 6003 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbl1, Ty), 6004 Ops, "vtbl1"); 6005 } 6006 case NEON::BI__builtin_neon_vqtbl2q_v: { 6007 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbl2, Ty), 6008 Ops, "vtbl2"); 6009 } 6010 case NEON::BI__builtin_neon_vqtbl3q_v: { 6011 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbl3, Ty), 6012 Ops, "vtbl3"); 6013 } 6014 case NEON::BI__builtin_neon_vqtbl4q_v: { 6015 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbl4, Ty), 6016 Ops, "vtbl4"); 6017 } 6018 case NEON::BI__builtin_neon_vqtbx1q_v: { 6019 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbx1, Ty), 6020 Ops, "vtbx1"); 6021 } 6022 case NEON::BI__builtin_neon_vqtbx2q_v: { 6023 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbx2, Ty), 6024 Ops, "vtbx2"); 6025 } 6026 case NEON::BI__builtin_neon_vqtbx3q_v: { 6027 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbx3, Ty), 6028 Ops, "vtbx3"); 6029 } 6030 case NEON::BI__builtin_neon_vqtbx4q_v: { 6031 return EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_tbx4, Ty), 6032 Ops, "vtbx4"); 6033 } 6034 case NEON::BI__builtin_neon_vsqadd_v: 6035 case NEON::BI__builtin_neon_vsqaddq_v: { 6036 Int = Intrinsic::aarch64_neon_usqadd; 6037 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vsqadd"); 6038 } 6039 case NEON::BI__builtin_neon_vuqadd_v: 6040 case NEON::BI__builtin_neon_vuqaddq_v: { 6041 Int = Intrinsic::aarch64_neon_suqadd; 6042 return EmitNeonCall(CGM.getIntrinsic(Int, Ty), Ops, "vuqadd"); 6043 } 6044 } 6045 } 6046 6047 llvm::Value *CodeGenFunction:: 6048 BuildVector(ArrayRef<llvm::Value*> Ops) { 6049 assert((Ops.size() & (Ops.size() - 1)) == 0 && 6050 "Not a power-of-two sized vector!"); 6051 bool AllConstants = true; 6052 for (unsigned i = 0, e = Ops.size(); i != e && AllConstants; ++i) 6053 AllConstants &= isa<Constant>(Ops[i]); 6054 6055 // If this is a constant vector, create a ConstantVector. 6056 if (AllConstants) { 6057 SmallVector<llvm::Constant*, 16> CstOps; 6058 for (unsigned i = 0, e = Ops.size(); i != e; ++i) 6059 CstOps.push_back(cast<Constant>(Ops[i])); 6060 return llvm::ConstantVector::get(CstOps); 6061 } 6062 6063 // Otherwise, insertelement the values to build the vector. 6064 Value *Result = 6065 llvm::UndefValue::get(llvm::VectorType::get(Ops[0]->getType(), Ops.size())); 6066 6067 for (unsigned i = 0, e = Ops.size(); i != e; ++i) 6068 Result = Builder.CreateInsertElement(Result, Ops[i], Builder.getInt32(i)); 6069 6070 return Result; 6071 } 6072 6073 Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID, 6074 const CallExpr *E) { 6075 SmallVector<Value*, 4> Ops; 6076 6077 // Find out if any arguments are required to be integer constant expressions. 6078 unsigned ICEArguments = 0; 6079 ASTContext::GetBuiltinTypeError Error; 6080 getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments); 6081 assert(Error == ASTContext::GE_None && "Should not codegen an error"); 6082 6083 for (unsigned i = 0, e = E->getNumArgs(); i != e; i++) { 6084 // If this is a normal argument, just emit it as a scalar. 6085 if ((ICEArguments & (1 << i)) == 0) { 6086 Ops.push_back(EmitScalarExpr(E->getArg(i))); 6087 continue; 6088 } 6089 6090 // If this is required to be a constant, constant fold it so that we know 6091 // that the generated intrinsic gets a ConstantInt. 6092 llvm::APSInt Result; 6093 bool IsConst = E->getArg(i)->isIntegerConstantExpr(Result, getContext()); 6094 assert(IsConst && "Constant arg isn't actually constant?"); (void)IsConst; 6095 Ops.push_back(llvm::ConstantInt::get(getLLVMContext(), Result)); 6096 } 6097 6098 switch (BuiltinID) { 6099 default: return nullptr; 6100 case X86::BI__builtin_cpu_supports: { 6101 const Expr *FeatureExpr = E->getArg(0)->IgnoreParenCasts(); 6102 StringRef FeatureStr = cast<StringLiteral>(FeatureExpr)->getString(); 6103 6104 // TODO: When/if this becomes more than x86 specific then use a TargetInfo 6105 // based mapping. 6106 // Processor features and mapping to processor feature value. 6107 enum X86Features { 6108 CMOV = 0, 6109 MMX, 6110 POPCNT, 6111 SSE, 6112 SSE2, 6113 SSE3, 6114 SSSE3, 6115 SSE4_1, 6116 SSE4_2, 6117 AVX, 6118 AVX2, 6119 SSE4_A, 6120 FMA4, 6121 XOP, 6122 FMA, 6123 AVX512F, 6124 BMI, 6125 BMI2, 6126 MAX 6127 }; 6128 6129 X86Features Feature = StringSwitch<X86Features>(FeatureStr) 6130 .Case("cmov", X86Features::CMOV) 6131 .Case("mmx", X86Features::MMX) 6132 .Case("popcnt", X86Features::POPCNT) 6133 .Case("sse", X86Features::SSE) 6134 .Case("sse2", X86Features::SSE2) 6135 .Case("sse3", X86Features::SSE3) 6136 .Case("sse4.1", X86Features::SSE4_1) 6137 .Case("sse4.2", X86Features::SSE4_2) 6138 .Case("avx", X86Features::AVX) 6139 .Case("avx2", X86Features::AVX2) 6140 .Case("sse4a", X86Features::SSE4_A) 6141 .Case("fma4", X86Features::FMA4) 6142 .Case("xop", X86Features::XOP) 6143 .Case("fma", X86Features::FMA) 6144 .Case("avx512f", X86Features::AVX512F) 6145 .Case("bmi", X86Features::BMI) 6146 .Case("bmi2", X86Features::BMI2) 6147 .Default(X86Features::MAX); 6148 assert(Feature != X86Features::MAX && "Invalid feature!"); 6149 6150 // Matching the struct layout from the compiler-rt/libgcc structure that is 6151 // filled in: 6152 // unsigned int __cpu_vendor; 6153 // unsigned int __cpu_type; 6154 // unsigned int __cpu_subtype; 6155 // unsigned int __cpu_features[1]; 6156 llvm::Type *STy = llvm::StructType::get( 6157 Int32Ty, Int32Ty, Int32Ty, llvm::ArrayType::get(Int32Ty, 1), nullptr); 6158 6159 // Grab the global __cpu_model. 6160 llvm::Constant *CpuModel = CGM.CreateRuntimeVariable(STy, "__cpu_model"); 6161 6162 // Grab the first (0th) element from the field __cpu_features off of the 6163 // global in the struct STy. 6164 Value *Idxs[] = { 6165 ConstantInt::get(Int32Ty, 0), 6166 ConstantInt::get(Int32Ty, 3), 6167 ConstantInt::get(Int32Ty, 0) 6168 }; 6169 Value *CpuFeatures = Builder.CreateGEP(STy, CpuModel, Idxs); 6170 Value *Features = Builder.CreateLoad(CpuFeatures); 6171 6172 // Check the value of the bit corresponding to the feature requested. 6173 Value *Bitset = Builder.CreateAnd( 6174 Features, llvm::ConstantInt::get(Int32Ty, 1 << Feature)); 6175 return Builder.CreateICmpNE(Bitset, llvm::ConstantInt::get(Int32Ty, 0)); 6176 } 6177 case X86::BI_mm_prefetch: { 6178 Value *Address = EmitScalarExpr(E->getArg(0)); 6179 Value *RW = ConstantInt::get(Int32Ty, 0); 6180 Value *Locality = EmitScalarExpr(E->getArg(1)); 6181 Value *Data = ConstantInt::get(Int32Ty, 1); 6182 Value *F = CGM.getIntrinsic(Intrinsic::prefetch); 6183 return Builder.CreateCall(F, {Address, RW, Locality, Data}); 6184 } 6185 case X86::BI__builtin_ia32_vec_init_v8qi: 6186 case X86::BI__builtin_ia32_vec_init_v4hi: 6187 case X86::BI__builtin_ia32_vec_init_v2si: 6188 return Builder.CreateBitCast(BuildVector(Ops), 6189 llvm::Type::getX86_MMXTy(getLLVMContext())); 6190 case X86::BI__builtin_ia32_vec_ext_v2si: 6191 return Builder.CreateExtractElement(Ops[0], 6192 llvm::ConstantInt::get(Ops[1]->getType(), 0)); 6193 case X86::BI__builtin_ia32_ldmxcsr: { 6194 Value *Tmp = CreateMemTemp(E->getArg(0)->getType()); 6195 Builder.CreateStore(Ops[0], Tmp); 6196 return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_ldmxcsr), 6197 Builder.CreateBitCast(Tmp, Int8PtrTy)); 6198 } 6199 case X86::BI__builtin_ia32_stmxcsr: { 6200 Value *Tmp = CreateMemTemp(E->getType()); 6201 Builder.CreateCall(CGM.getIntrinsic(Intrinsic::x86_sse_stmxcsr), 6202 Builder.CreateBitCast(Tmp, Int8PtrTy)); 6203 return Builder.CreateLoad(Tmp, "stmxcsr"); 6204 } 6205 case X86::BI__builtin_ia32_storehps: 6206 case X86::BI__builtin_ia32_storelps: { 6207 llvm::Type *PtrTy = llvm::PointerType::getUnqual(Int64Ty); 6208 llvm::Type *VecTy = llvm::VectorType::get(Int64Ty, 2); 6209 6210 // cast val v2i64 6211 Ops[1] = Builder.CreateBitCast(Ops[1], VecTy, "cast"); 6212 6213 // extract (0, 1) 6214 unsigned Index = BuiltinID == X86::BI__builtin_ia32_storelps ? 0 : 1; 6215 llvm::Value *Idx = llvm::ConstantInt::get(SizeTy, Index); 6216 Ops[1] = Builder.CreateExtractElement(Ops[1], Idx, "extract"); 6217 6218 // cast pointer to i64 & store 6219 Ops[0] = Builder.CreateBitCast(Ops[0], PtrTy); 6220 return Builder.CreateStore(Ops[1], Ops[0]); 6221 } 6222 case X86::BI__builtin_ia32_palignr128: 6223 case X86::BI__builtin_ia32_palignr256: { 6224 unsigned ShiftVal = cast<llvm::ConstantInt>(Ops[2])->getZExtValue(); 6225 6226 unsigned NumElts = 6227 cast<llvm::VectorType>(Ops[0]->getType())->getNumElements(); 6228 assert(NumElts % 16 == 0); 6229 unsigned NumLanes = NumElts / 16; 6230 unsigned NumLaneElts = NumElts / NumLanes; 6231 6232 // If palignr is shifting the pair of vectors more than the size of two 6233 // lanes, emit zero. 6234 if (ShiftVal >= (2 * NumLaneElts)) 6235 return llvm::Constant::getNullValue(ConvertType(E->getType())); 6236 6237 // If palignr is shifting the pair of input vectors more than one lane, 6238 // but less than two lanes, convert to shifting in zeroes. 6239 if (ShiftVal > NumLaneElts) { 6240 ShiftVal -= NumLaneElts; 6241 Ops[1] = Ops[0]; 6242 Ops[0] = llvm::Constant::getNullValue(Ops[0]->getType()); 6243 } 6244 6245 SmallVector<llvm::Constant*, 32> Indices; 6246 // 256-bit palignr operates on 128-bit lanes so we need to handle that 6247 for (unsigned l = 0; l != NumElts; l += NumLaneElts) { 6248 for (unsigned i = 0; i != NumLaneElts; ++i) { 6249 unsigned Idx = ShiftVal + i; 6250 if (Idx >= NumLaneElts) 6251 Idx += NumElts - NumLaneElts; // End of lane, switch operand. 6252 Indices.push_back(llvm::ConstantInt::get(Int32Ty, Idx + l)); 6253 } 6254 } 6255 6256 Value* SV = llvm::ConstantVector::get(Indices); 6257 return Builder.CreateShuffleVector(Ops[1], Ops[0], SV, "palignr"); 6258 } 6259 case X86::BI__builtin_ia32_pslldqi256: { 6260 // Shift value is in bits so divide by 8. 6261 unsigned shiftVal = cast<llvm::ConstantInt>(Ops[1])->getZExtValue() >> 3; 6262 6263 // If pslldq is shifting the vector more than 15 bytes, emit zero. 6264 if (shiftVal >= 16) 6265 return llvm::Constant::getNullValue(ConvertType(E->getType())); 6266 6267 SmallVector<llvm::Constant*, 32> Indices; 6268 // 256-bit pslldq operates on 128-bit lanes so we need to handle that 6269 for (unsigned l = 0; l != 32; l += 16) { 6270 for (unsigned i = 0; i != 16; ++i) { 6271 unsigned Idx = 32 + i - shiftVal; 6272 if (Idx < 32) Idx -= 16; // end of lane, switch operand. 6273 Indices.push_back(llvm::ConstantInt::get(Int32Ty, Idx + l)); 6274 } 6275 } 6276 6277 llvm::Type *VecTy = llvm::VectorType::get(Int8Ty, 32); 6278 Ops[0] = Builder.CreateBitCast(Ops[0], VecTy, "cast"); 6279 Value *Zero = llvm::Constant::getNullValue(VecTy); 6280 6281 Value *SV = llvm::ConstantVector::get(Indices); 6282 SV = Builder.CreateShuffleVector(Zero, Ops[0], SV, "pslldq"); 6283 llvm::Type *ResultType = ConvertType(E->getType()); 6284 return Builder.CreateBitCast(SV, ResultType, "cast"); 6285 } 6286 case X86::BI__builtin_ia32_psrldqi256: { 6287 // Shift value is in bits so divide by 8. 6288 unsigned shiftVal = cast<llvm::ConstantInt>(Ops[1])->getZExtValue() >> 3; 6289 6290 // If psrldq is shifting the vector more than 15 bytes, emit zero. 6291 if (shiftVal >= 16) 6292 return llvm::Constant::getNullValue(ConvertType(E->getType())); 6293 6294 SmallVector<llvm::Constant*, 32> Indices; 6295 // 256-bit psrldq operates on 128-bit lanes so we need to handle that 6296 for (unsigned l = 0; l != 32; l += 16) { 6297 for (unsigned i = 0; i != 16; ++i) { 6298 unsigned Idx = i + shiftVal; 6299 if (Idx >= 16) Idx += 16; // end of lane, switch operand. 6300 Indices.push_back(llvm::ConstantInt::get(Int32Ty, Idx + l)); 6301 } 6302 } 6303 6304 llvm::Type *VecTy = llvm::VectorType::get(Int8Ty, 32); 6305 Ops[0] = Builder.CreateBitCast(Ops[0], VecTy, "cast"); 6306 Value *Zero = llvm::Constant::getNullValue(VecTy); 6307 6308 Value *SV = llvm::ConstantVector::get(Indices); 6309 SV = Builder.CreateShuffleVector(Ops[0], Zero, SV, "psrldq"); 6310 llvm::Type *ResultType = ConvertType(E->getType()); 6311 return Builder.CreateBitCast(SV, ResultType, "cast"); 6312 } 6313 case X86::BI__builtin_ia32_movntps: 6314 case X86::BI__builtin_ia32_movntps256: 6315 case X86::BI__builtin_ia32_movntpd: 6316 case X86::BI__builtin_ia32_movntpd256: 6317 case X86::BI__builtin_ia32_movntdq: 6318 case X86::BI__builtin_ia32_movntdq256: 6319 case X86::BI__builtin_ia32_movnti: 6320 case X86::BI__builtin_ia32_movnti64: { 6321 llvm::MDNode *Node = llvm::MDNode::get( 6322 getLLVMContext(), llvm::ConstantAsMetadata::get(Builder.getInt32(1))); 6323 6324 // Convert the type of the pointer to a pointer to the stored type. 6325 Value *BC = Builder.CreateBitCast(Ops[0], 6326 llvm::PointerType::getUnqual(Ops[1]->getType()), 6327 "cast"); 6328 StoreInst *SI = Builder.CreateStore(Ops[1], BC); 6329 SI->setMetadata(CGM.getModule().getMDKindID("nontemporal"), Node); 6330 6331 // If the operand is an integer, we can't assume alignment. Otherwise, 6332 // assume natural alignment. 6333 QualType ArgTy = E->getArg(1)->getType(); 6334 unsigned Align; 6335 if (ArgTy->isIntegerType()) 6336 Align = 1; 6337 else 6338 Align = getContext().getTypeSizeInChars(ArgTy).getQuantity(); 6339 SI->setAlignment(Align); 6340 return SI; 6341 } 6342 // 3DNow! 6343 case X86::BI__builtin_ia32_pswapdsf: 6344 case X86::BI__builtin_ia32_pswapdsi: { 6345 llvm::Type *MMXTy = llvm::Type::getX86_MMXTy(getLLVMContext()); 6346 Ops[0] = Builder.CreateBitCast(Ops[0], MMXTy, "cast"); 6347 llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_3dnowa_pswapd); 6348 return Builder.CreateCall(F, Ops, "pswapd"); 6349 } 6350 case X86::BI__builtin_ia32_rdrand16_step: 6351 case X86::BI__builtin_ia32_rdrand32_step: 6352 case X86::BI__builtin_ia32_rdrand64_step: 6353 case X86::BI__builtin_ia32_rdseed16_step: 6354 case X86::BI__builtin_ia32_rdseed32_step: 6355 case X86::BI__builtin_ia32_rdseed64_step: { 6356 Intrinsic::ID ID; 6357 switch (BuiltinID) { 6358 default: llvm_unreachable("Unsupported intrinsic!"); 6359 case X86::BI__builtin_ia32_rdrand16_step: 6360 ID = Intrinsic::x86_rdrand_16; 6361 break; 6362 case X86::BI__builtin_ia32_rdrand32_step: 6363 ID = Intrinsic::x86_rdrand_32; 6364 break; 6365 case X86::BI__builtin_ia32_rdrand64_step: 6366 ID = Intrinsic::x86_rdrand_64; 6367 break; 6368 case X86::BI__builtin_ia32_rdseed16_step: 6369 ID = Intrinsic::x86_rdseed_16; 6370 break; 6371 case X86::BI__builtin_ia32_rdseed32_step: 6372 ID = Intrinsic::x86_rdseed_32; 6373 break; 6374 case X86::BI__builtin_ia32_rdseed64_step: 6375 ID = Intrinsic::x86_rdseed_64; 6376 break; 6377 } 6378 6379 Value *Call = Builder.CreateCall(CGM.getIntrinsic(ID)); 6380 Builder.CreateStore(Builder.CreateExtractValue(Call, 0), Ops[0]); 6381 return Builder.CreateExtractValue(Call, 1); 6382 } 6383 // SSE comparison intrisics 6384 case X86::BI__builtin_ia32_cmpeqps: 6385 case X86::BI__builtin_ia32_cmpltps: 6386 case X86::BI__builtin_ia32_cmpleps: 6387 case X86::BI__builtin_ia32_cmpunordps: 6388 case X86::BI__builtin_ia32_cmpneqps: 6389 case X86::BI__builtin_ia32_cmpnltps: 6390 case X86::BI__builtin_ia32_cmpnleps: 6391 case X86::BI__builtin_ia32_cmpordps: 6392 case X86::BI__builtin_ia32_cmpeqss: 6393 case X86::BI__builtin_ia32_cmpltss: 6394 case X86::BI__builtin_ia32_cmpless: 6395 case X86::BI__builtin_ia32_cmpunordss: 6396 case X86::BI__builtin_ia32_cmpneqss: 6397 case X86::BI__builtin_ia32_cmpnltss: 6398 case X86::BI__builtin_ia32_cmpnless: 6399 case X86::BI__builtin_ia32_cmpordss: 6400 case X86::BI__builtin_ia32_cmpeqpd: 6401 case X86::BI__builtin_ia32_cmpltpd: 6402 case X86::BI__builtin_ia32_cmplepd: 6403 case X86::BI__builtin_ia32_cmpunordpd: 6404 case X86::BI__builtin_ia32_cmpneqpd: 6405 case X86::BI__builtin_ia32_cmpnltpd: 6406 case X86::BI__builtin_ia32_cmpnlepd: 6407 case X86::BI__builtin_ia32_cmpordpd: 6408 case X86::BI__builtin_ia32_cmpeqsd: 6409 case X86::BI__builtin_ia32_cmpltsd: 6410 case X86::BI__builtin_ia32_cmplesd: 6411 case X86::BI__builtin_ia32_cmpunordsd: 6412 case X86::BI__builtin_ia32_cmpneqsd: 6413 case X86::BI__builtin_ia32_cmpnltsd: 6414 case X86::BI__builtin_ia32_cmpnlesd: 6415 case X86::BI__builtin_ia32_cmpordsd: 6416 // These exist so that the builtin that takes an immediate can be bounds 6417 // checked by clang to avoid passing bad immediates to the backend. Since 6418 // AVX has a larger immediate than SSE we would need separate builtins to 6419 // do the different bounds checking. Rather than create a clang specific 6420 // SSE only builtin, this implements eight separate builtins to match gcc 6421 // implementation. 6422 6423 // Choose the immediate. 6424 unsigned Imm; 6425 switch (BuiltinID) { 6426 default: llvm_unreachable("Unsupported intrinsic!"); 6427 case X86::BI__builtin_ia32_cmpeqps: 6428 case X86::BI__builtin_ia32_cmpeqss: 6429 case X86::BI__builtin_ia32_cmpeqpd: 6430 case X86::BI__builtin_ia32_cmpeqsd: 6431 Imm = 0; 6432 break; 6433 case X86::BI__builtin_ia32_cmpltps: 6434 case X86::BI__builtin_ia32_cmpltss: 6435 case X86::BI__builtin_ia32_cmpltpd: 6436 case X86::BI__builtin_ia32_cmpltsd: 6437 Imm = 1; 6438 break; 6439 case X86::BI__builtin_ia32_cmpleps: 6440 case X86::BI__builtin_ia32_cmpless: 6441 case X86::BI__builtin_ia32_cmplepd: 6442 case X86::BI__builtin_ia32_cmplesd: 6443 Imm = 2; 6444 break; 6445 case X86::BI__builtin_ia32_cmpunordps: 6446 case X86::BI__builtin_ia32_cmpunordss: 6447 case X86::BI__builtin_ia32_cmpunordpd: 6448 case X86::BI__builtin_ia32_cmpunordsd: 6449 Imm = 3; 6450 break; 6451 case X86::BI__builtin_ia32_cmpneqps: 6452 case X86::BI__builtin_ia32_cmpneqss: 6453 case X86::BI__builtin_ia32_cmpneqpd: 6454 case X86::BI__builtin_ia32_cmpneqsd: 6455 Imm = 4; 6456 break; 6457 case X86::BI__builtin_ia32_cmpnltps: 6458 case X86::BI__builtin_ia32_cmpnltss: 6459 case X86::BI__builtin_ia32_cmpnltpd: 6460 case X86::BI__builtin_ia32_cmpnltsd: 6461 Imm = 5; 6462 break; 6463 case X86::BI__builtin_ia32_cmpnleps: 6464 case X86::BI__builtin_ia32_cmpnless: 6465 case X86::BI__builtin_ia32_cmpnlepd: 6466 case X86::BI__builtin_ia32_cmpnlesd: 6467 Imm = 6; 6468 break; 6469 case X86::BI__builtin_ia32_cmpordps: 6470 case X86::BI__builtin_ia32_cmpordss: 6471 case X86::BI__builtin_ia32_cmpordpd: 6472 case X86::BI__builtin_ia32_cmpordsd: 6473 Imm = 7; 6474 break; 6475 } 6476 6477 // Choose the intrinsic ID. 6478 const char *name; 6479 Intrinsic::ID ID; 6480 switch (BuiltinID) { 6481 default: llvm_unreachable("Unsupported intrinsic!"); 6482 case X86::BI__builtin_ia32_cmpeqps: 6483 case X86::BI__builtin_ia32_cmpltps: 6484 case X86::BI__builtin_ia32_cmpleps: 6485 case X86::BI__builtin_ia32_cmpunordps: 6486 case X86::BI__builtin_ia32_cmpneqps: 6487 case X86::BI__builtin_ia32_cmpnltps: 6488 case X86::BI__builtin_ia32_cmpnleps: 6489 case X86::BI__builtin_ia32_cmpordps: 6490 name = "cmpps"; 6491 ID = Intrinsic::x86_sse_cmp_ps; 6492 break; 6493 case X86::BI__builtin_ia32_cmpeqss: 6494 case X86::BI__builtin_ia32_cmpltss: 6495 case X86::BI__builtin_ia32_cmpless: 6496 case X86::BI__builtin_ia32_cmpunordss: 6497 case X86::BI__builtin_ia32_cmpneqss: 6498 case X86::BI__builtin_ia32_cmpnltss: 6499 case X86::BI__builtin_ia32_cmpnless: 6500 case X86::BI__builtin_ia32_cmpordss: 6501 name = "cmpss"; 6502 ID = Intrinsic::x86_sse_cmp_ss; 6503 break; 6504 case X86::BI__builtin_ia32_cmpeqpd: 6505 case X86::BI__builtin_ia32_cmpltpd: 6506 case X86::BI__builtin_ia32_cmplepd: 6507 case X86::BI__builtin_ia32_cmpunordpd: 6508 case X86::BI__builtin_ia32_cmpneqpd: 6509 case X86::BI__builtin_ia32_cmpnltpd: 6510 case X86::BI__builtin_ia32_cmpnlepd: 6511 case X86::BI__builtin_ia32_cmpordpd: 6512 name = "cmppd"; 6513 ID = Intrinsic::x86_sse2_cmp_pd; 6514 break; 6515 case X86::BI__builtin_ia32_cmpeqsd: 6516 case X86::BI__builtin_ia32_cmpltsd: 6517 case X86::BI__builtin_ia32_cmplesd: 6518 case X86::BI__builtin_ia32_cmpunordsd: 6519 case X86::BI__builtin_ia32_cmpneqsd: 6520 case X86::BI__builtin_ia32_cmpnltsd: 6521 case X86::BI__builtin_ia32_cmpnlesd: 6522 case X86::BI__builtin_ia32_cmpordsd: 6523 name = "cmpsd"; 6524 ID = Intrinsic::x86_sse2_cmp_sd; 6525 break; 6526 } 6527 6528 Ops.push_back(llvm::ConstantInt::get(Int8Ty, Imm)); 6529 llvm::Function *F = CGM.getIntrinsic(ID); 6530 return Builder.CreateCall(F, Ops, name); 6531 } 6532 } 6533 6534 6535 Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID, 6536 const CallExpr *E) { 6537 SmallVector<Value*, 4> Ops; 6538 6539 for (unsigned i = 0, e = E->getNumArgs(); i != e; i++) 6540 Ops.push_back(EmitScalarExpr(E->getArg(i))); 6541 6542 Intrinsic::ID ID = Intrinsic::not_intrinsic; 6543 6544 switch (BuiltinID) { 6545 default: return nullptr; 6546 6547 // vec_ld, vec_lvsl, vec_lvsr 6548 case PPC::BI__builtin_altivec_lvx: 6549 case PPC::BI__builtin_altivec_lvxl: 6550 case PPC::BI__builtin_altivec_lvebx: 6551 case PPC::BI__builtin_altivec_lvehx: 6552 case PPC::BI__builtin_altivec_lvewx: 6553 case PPC::BI__builtin_altivec_lvsl: 6554 case PPC::BI__builtin_altivec_lvsr: 6555 case PPC::BI__builtin_vsx_lxvd2x: 6556 case PPC::BI__builtin_vsx_lxvw4x: 6557 { 6558 Ops[1] = Builder.CreateBitCast(Ops[1], Int8PtrTy); 6559 6560 Ops[0] = Builder.CreateGEP(Ops[1], Ops[0]); 6561 Ops.pop_back(); 6562 6563 switch (BuiltinID) { 6564 default: llvm_unreachable("Unsupported ld/lvsl/lvsr intrinsic!"); 6565 case PPC::BI__builtin_altivec_lvx: 6566 ID = Intrinsic::ppc_altivec_lvx; 6567 break; 6568 case PPC::BI__builtin_altivec_lvxl: 6569 ID = Intrinsic::ppc_altivec_lvxl; 6570 break; 6571 case PPC::BI__builtin_altivec_lvebx: 6572 ID = Intrinsic::ppc_altivec_lvebx; 6573 break; 6574 case PPC::BI__builtin_altivec_lvehx: 6575 ID = Intrinsic::ppc_altivec_lvehx; 6576 break; 6577 case PPC::BI__builtin_altivec_lvewx: 6578 ID = Intrinsic::ppc_altivec_lvewx; 6579 break; 6580 case PPC::BI__builtin_altivec_lvsl: 6581 ID = Intrinsic::ppc_altivec_lvsl; 6582 break; 6583 case PPC::BI__builtin_altivec_lvsr: 6584 ID = Intrinsic::ppc_altivec_lvsr; 6585 break; 6586 case PPC::BI__builtin_vsx_lxvd2x: 6587 ID = Intrinsic::ppc_vsx_lxvd2x; 6588 break; 6589 case PPC::BI__builtin_vsx_lxvw4x: 6590 ID = Intrinsic::ppc_vsx_lxvw4x; 6591 break; 6592 } 6593 llvm::Function *F = CGM.getIntrinsic(ID); 6594 return Builder.CreateCall(F, Ops, ""); 6595 } 6596 6597 // vec_st 6598 case PPC::BI__builtin_altivec_stvx: 6599 case PPC::BI__builtin_altivec_stvxl: 6600 case PPC::BI__builtin_altivec_stvebx: 6601 case PPC::BI__builtin_altivec_stvehx: 6602 case PPC::BI__builtin_altivec_stvewx: 6603 case PPC::BI__builtin_vsx_stxvd2x: 6604 case PPC::BI__builtin_vsx_stxvw4x: 6605 { 6606 Ops[2] = Builder.CreateBitCast(Ops[2], Int8PtrTy); 6607 Ops[1] = Builder.CreateGEP(Ops[2], Ops[1]); 6608 Ops.pop_back(); 6609 6610 switch (BuiltinID) { 6611 default: llvm_unreachable("Unsupported st intrinsic!"); 6612 case PPC::BI__builtin_altivec_stvx: 6613 ID = Intrinsic::ppc_altivec_stvx; 6614 break; 6615 case PPC::BI__builtin_altivec_stvxl: 6616 ID = Intrinsic::ppc_altivec_stvxl; 6617 break; 6618 case PPC::BI__builtin_altivec_stvebx: 6619 ID = Intrinsic::ppc_altivec_stvebx; 6620 break; 6621 case PPC::BI__builtin_altivec_stvehx: 6622 ID = Intrinsic::ppc_altivec_stvehx; 6623 break; 6624 case PPC::BI__builtin_altivec_stvewx: 6625 ID = Intrinsic::ppc_altivec_stvewx; 6626 break; 6627 case PPC::BI__builtin_vsx_stxvd2x: 6628 ID = Intrinsic::ppc_vsx_stxvd2x; 6629 break; 6630 case PPC::BI__builtin_vsx_stxvw4x: 6631 ID = Intrinsic::ppc_vsx_stxvw4x; 6632 break; 6633 } 6634 llvm::Function *F = CGM.getIntrinsic(ID); 6635 return Builder.CreateCall(F, Ops, ""); 6636 } 6637 // Square root 6638 case PPC::BI__builtin_vsx_xvsqrtsp: 6639 case PPC::BI__builtin_vsx_xvsqrtdp: { 6640 llvm::Type *ResultType = ConvertType(E->getType()); 6641 Value *X = EmitScalarExpr(E->getArg(0)); 6642 ID = Intrinsic::sqrt; 6643 llvm::Function *F = CGM.getIntrinsic(ID, ResultType); 6644 return Builder.CreateCall(F, X); 6645 } 6646 // Count leading zeros 6647 case PPC::BI__builtin_altivec_vclzb: 6648 case PPC::BI__builtin_altivec_vclzh: 6649 case PPC::BI__builtin_altivec_vclzw: 6650 case PPC::BI__builtin_altivec_vclzd: { 6651 llvm::Type *ResultType = ConvertType(E->getType()); 6652 Value *X = EmitScalarExpr(E->getArg(0)); 6653 Value *Undef = ConstantInt::get(Builder.getInt1Ty(), false); 6654 Function *F = CGM.getIntrinsic(Intrinsic::ctlz, ResultType); 6655 return Builder.CreateCall(F, {X, Undef}); 6656 } 6657 // Copy sign 6658 case PPC::BI__builtin_vsx_xvcpsgnsp: 6659 case PPC::BI__builtin_vsx_xvcpsgndp: { 6660 llvm::Type *ResultType = ConvertType(E->getType()); 6661 Value *X = EmitScalarExpr(E->getArg(0)); 6662 Value *Y = EmitScalarExpr(E->getArg(1)); 6663 ID = Intrinsic::copysign; 6664 llvm::Function *F = CGM.getIntrinsic(ID, ResultType); 6665 return Builder.CreateCall(F, {X, Y}); 6666 } 6667 // Rounding/truncation 6668 case PPC::BI__builtin_vsx_xvrspip: 6669 case PPC::BI__builtin_vsx_xvrdpip: 6670 case PPC::BI__builtin_vsx_xvrdpim: 6671 case PPC::BI__builtin_vsx_xvrspim: 6672 case PPC::BI__builtin_vsx_xvrdpi: 6673 case PPC::BI__builtin_vsx_xvrspi: 6674 case PPC::BI__builtin_vsx_xvrdpic: 6675 case PPC::BI__builtin_vsx_xvrspic: 6676 case PPC::BI__builtin_vsx_xvrdpiz: 6677 case PPC::BI__builtin_vsx_xvrspiz: { 6678 llvm::Type *ResultType = ConvertType(E->getType()); 6679 Value *X = EmitScalarExpr(E->getArg(0)); 6680 if (BuiltinID == PPC::BI__builtin_vsx_xvrdpim || 6681 BuiltinID == PPC::BI__builtin_vsx_xvrspim) 6682 ID = Intrinsic::floor; 6683 else if (BuiltinID == PPC::BI__builtin_vsx_xvrdpi || 6684 BuiltinID == PPC::BI__builtin_vsx_xvrspi) 6685 ID = Intrinsic::round; 6686 else if (BuiltinID == PPC::BI__builtin_vsx_xvrdpic || 6687 BuiltinID == PPC::BI__builtin_vsx_xvrspic) 6688 ID = Intrinsic::nearbyint; 6689 else if (BuiltinID == PPC::BI__builtin_vsx_xvrdpip || 6690 BuiltinID == PPC::BI__builtin_vsx_xvrspip) 6691 ID = Intrinsic::ceil; 6692 else if (BuiltinID == PPC::BI__builtin_vsx_xvrdpiz || 6693 BuiltinID == PPC::BI__builtin_vsx_xvrspiz) 6694 ID = Intrinsic::trunc; 6695 llvm::Function *F = CGM.getIntrinsic(ID, ResultType); 6696 return Builder.CreateCall(F, X); 6697 } 6698 // FMA variations 6699 case PPC::BI__builtin_vsx_xvmaddadp: 6700 case PPC::BI__builtin_vsx_xvmaddasp: 6701 case PPC::BI__builtin_vsx_xvnmaddadp: 6702 case PPC::BI__builtin_vsx_xvnmaddasp: 6703 case PPC::BI__builtin_vsx_xvmsubadp: 6704 case PPC::BI__builtin_vsx_xvmsubasp: 6705 case PPC::BI__builtin_vsx_xvnmsubadp: 6706 case PPC::BI__builtin_vsx_xvnmsubasp: { 6707 llvm::Type *ResultType = ConvertType(E->getType()); 6708 Value *X = EmitScalarExpr(E->getArg(0)); 6709 Value *Y = EmitScalarExpr(E->getArg(1)); 6710 Value *Z = EmitScalarExpr(E->getArg(2)); 6711 Value *Zero = llvm::ConstantFP::getZeroValueForNegation(ResultType); 6712 llvm::Function *F = CGM.getIntrinsic(Intrinsic::fma, ResultType); 6713 switch (BuiltinID) { 6714 case PPC::BI__builtin_vsx_xvmaddadp: 6715 case PPC::BI__builtin_vsx_xvmaddasp: 6716 return Builder.CreateCall(F, {X, Y, Z}); 6717 case PPC::BI__builtin_vsx_xvnmaddadp: 6718 case PPC::BI__builtin_vsx_xvnmaddasp: 6719 return Builder.CreateFSub(Zero, 6720 Builder.CreateCall(F, {X, Y, Z}), "sub"); 6721 case PPC::BI__builtin_vsx_xvmsubadp: 6722 case PPC::BI__builtin_vsx_xvmsubasp: 6723 return Builder.CreateCall(F, 6724 {X, Y, Builder.CreateFSub(Zero, Z, "sub")}); 6725 case PPC::BI__builtin_vsx_xvnmsubadp: 6726 case PPC::BI__builtin_vsx_xvnmsubasp: 6727 Value *FsubRes = 6728 Builder.CreateCall(F, {X, Y, Builder.CreateFSub(Zero, Z, "sub")}); 6729 return Builder.CreateFSub(Zero, FsubRes, "sub"); 6730 } 6731 llvm_unreachable("Unknown FMA operation"); 6732 return nullptr; // Suppress no-return warning 6733 } 6734 } 6735 } 6736 6737 // Emit an intrinsic that has 1 float or double. 6738 static Value *emitUnaryFPBuiltin(CodeGenFunction &CGF, 6739 const CallExpr *E, 6740 unsigned IntrinsicID) { 6741 llvm::Value *Src0 = CGF.EmitScalarExpr(E->getArg(0)); 6742 6743 Value *F = CGF.CGM.getIntrinsic(IntrinsicID, Src0->getType()); 6744 return CGF.Builder.CreateCall(F, Src0); 6745 } 6746 6747 // Emit an intrinsic that has 3 float or double operands. 6748 static Value *emitTernaryFPBuiltin(CodeGenFunction &CGF, 6749 const CallExpr *E, 6750 unsigned IntrinsicID) { 6751 llvm::Value *Src0 = CGF.EmitScalarExpr(E->getArg(0)); 6752 llvm::Value *Src1 = CGF.EmitScalarExpr(E->getArg(1)); 6753 llvm::Value *Src2 = CGF.EmitScalarExpr(E->getArg(2)); 6754 6755 Value *F = CGF.CGM.getIntrinsic(IntrinsicID, Src0->getType()); 6756 return CGF.Builder.CreateCall(F, {Src0, Src1, Src2}); 6757 } 6758 6759 // Emit an intrinsic that has 1 float or double operand, and 1 integer. 6760 static Value *emitFPIntBuiltin(CodeGenFunction &CGF, 6761 const CallExpr *E, 6762 unsigned IntrinsicID) { 6763 llvm::Value *Src0 = CGF.EmitScalarExpr(E->getArg(0)); 6764 llvm::Value *Src1 = CGF.EmitScalarExpr(E->getArg(1)); 6765 6766 Value *F = CGF.CGM.getIntrinsic(IntrinsicID, Src0->getType()); 6767 return CGF.Builder.CreateCall(F, {Src0, Src1}); 6768 } 6769 6770 Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID, 6771 const CallExpr *E) { 6772 switch (BuiltinID) { 6773 case AMDGPU::BI__builtin_amdgpu_div_scale: 6774 case AMDGPU::BI__builtin_amdgpu_div_scalef: { 6775 // Translate from the intrinsics's struct return to the builtin's out 6776 // argument. 6777 6778 std::pair<llvm::Value *, unsigned> FlagOutPtr 6779 = EmitPointerWithAlignment(E->getArg(3)); 6780 6781 llvm::Value *X = EmitScalarExpr(E->getArg(0)); 6782 llvm::Value *Y = EmitScalarExpr(E->getArg(1)); 6783 llvm::Value *Z = EmitScalarExpr(E->getArg(2)); 6784 6785 llvm::Value *Callee = CGM.getIntrinsic(Intrinsic::AMDGPU_div_scale, 6786 X->getType()); 6787 6788 llvm::Value *Tmp = Builder.CreateCall(Callee, {X, Y, Z}); 6789 6790 llvm::Value *Result = Builder.CreateExtractValue(Tmp, 0); 6791 llvm::Value *Flag = Builder.CreateExtractValue(Tmp, 1); 6792 6793 llvm::Type *RealFlagType 6794 = FlagOutPtr.first->getType()->getPointerElementType(); 6795 6796 llvm::Value *FlagExt = Builder.CreateZExt(Flag, RealFlagType); 6797 llvm::StoreInst *FlagStore = Builder.CreateStore(FlagExt, FlagOutPtr.first); 6798 FlagStore->setAlignment(FlagOutPtr.second); 6799 return Result; 6800 } 6801 case AMDGPU::BI__builtin_amdgpu_div_fmas: 6802 case AMDGPU::BI__builtin_amdgpu_div_fmasf: { 6803 llvm::Value *Src0 = EmitScalarExpr(E->getArg(0)); 6804 llvm::Value *Src1 = EmitScalarExpr(E->getArg(1)); 6805 llvm::Value *Src2 = EmitScalarExpr(E->getArg(2)); 6806 llvm::Value *Src3 = EmitScalarExpr(E->getArg(3)); 6807 6808 llvm::Value *F = CGM.getIntrinsic(Intrinsic::AMDGPU_div_fmas, 6809 Src0->getType()); 6810 llvm::Value *Src3ToBool = Builder.CreateIsNotNull(Src3); 6811 return Builder.CreateCall(F, {Src0, Src1, Src2, Src3ToBool}); 6812 } 6813 case AMDGPU::BI__builtin_amdgpu_div_fixup: 6814 case AMDGPU::BI__builtin_amdgpu_div_fixupf: 6815 return emitTernaryFPBuiltin(*this, E, Intrinsic::AMDGPU_div_fixup); 6816 case AMDGPU::BI__builtin_amdgpu_trig_preop: 6817 case AMDGPU::BI__builtin_amdgpu_trig_preopf: 6818 return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_trig_preop); 6819 case AMDGPU::BI__builtin_amdgpu_rcp: 6820 case AMDGPU::BI__builtin_amdgpu_rcpf: 6821 return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rcp); 6822 case AMDGPU::BI__builtin_amdgpu_rsq: 6823 case AMDGPU::BI__builtin_amdgpu_rsqf: 6824 return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rsq); 6825 case AMDGPU::BI__builtin_amdgpu_rsq_clamped: 6826 case AMDGPU::BI__builtin_amdgpu_rsq_clampedf: 6827 return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rsq_clamped); 6828 case AMDGPU::BI__builtin_amdgpu_ldexp: 6829 case AMDGPU::BI__builtin_amdgpu_ldexpf: 6830 return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_ldexp); 6831 case AMDGPU::BI__builtin_amdgpu_class: 6832 case AMDGPU::BI__builtin_amdgpu_classf: 6833 return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_class); 6834 default: 6835 return nullptr; 6836 } 6837 } 6838 6839 /// Handle a SystemZ function in which the final argument is a pointer 6840 /// to an int that receives the post-instruction CC value. At the LLVM level 6841 /// this is represented as a function that returns a {result, cc} pair. 6842 static Value *EmitSystemZIntrinsicWithCC(CodeGenFunction &CGF, 6843 unsigned IntrinsicID, 6844 const CallExpr *E) { 6845 unsigned NumArgs = E->getNumArgs() - 1; 6846 SmallVector<Value *, 8> Args(NumArgs); 6847 for (unsigned I = 0; I < NumArgs; ++I) 6848 Args[I] = CGF.EmitScalarExpr(E->getArg(I)); 6849 Value *CCPtr = CGF.EmitScalarExpr(E->getArg(NumArgs)); 6850 Value *F = CGF.CGM.getIntrinsic(IntrinsicID); 6851 Value *Call = CGF.Builder.CreateCall(F, Args); 6852 Value *CC = CGF.Builder.CreateExtractValue(Call, 1); 6853 CGF.Builder.CreateStore(CC, CCPtr); 6854 return CGF.Builder.CreateExtractValue(Call, 0); 6855 } 6856 6857 Value *CodeGenFunction::EmitSystemZBuiltinExpr(unsigned BuiltinID, 6858 const CallExpr *E) { 6859 switch (BuiltinID) { 6860 case SystemZ::BI__builtin_tbegin: { 6861 Value *TDB = EmitScalarExpr(E->getArg(0)); 6862 Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff0c); 6863 Value *F = CGM.getIntrinsic(Intrinsic::s390_tbegin); 6864 return Builder.CreateCall(F, {TDB, Control}); 6865 } 6866 case SystemZ::BI__builtin_tbegin_nofloat: { 6867 Value *TDB = EmitScalarExpr(E->getArg(0)); 6868 Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff0c); 6869 Value *F = CGM.getIntrinsic(Intrinsic::s390_tbegin_nofloat); 6870 return Builder.CreateCall(F, {TDB, Control}); 6871 } 6872 case SystemZ::BI__builtin_tbeginc: { 6873 Value *TDB = llvm::ConstantPointerNull::get(Int8PtrTy); 6874 Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff08); 6875 Value *F = CGM.getIntrinsic(Intrinsic::s390_tbeginc); 6876 return Builder.CreateCall(F, {TDB, Control}); 6877 } 6878 case SystemZ::BI__builtin_tabort: { 6879 Value *Data = EmitScalarExpr(E->getArg(0)); 6880 Value *F = CGM.getIntrinsic(Intrinsic::s390_tabort); 6881 return Builder.CreateCall(F, Builder.CreateSExt(Data, Int64Ty, "tabort")); 6882 } 6883 case SystemZ::BI__builtin_non_tx_store: { 6884 Value *Address = EmitScalarExpr(E->getArg(0)); 6885 Value *Data = EmitScalarExpr(E->getArg(1)); 6886 Value *F = CGM.getIntrinsic(Intrinsic::s390_ntstg); 6887 return Builder.CreateCall(F, {Data, Address}); 6888 } 6889 6890 // Vector builtins. Note that most vector builtins are mapped automatically 6891 // to target-specific LLVM intrinsics. The ones handled specially here can 6892 // be represented via standard LLVM IR, which is preferable to enable common 6893 // LLVM optimizations. 6894 6895 case SystemZ::BI__builtin_s390_vpopctb: 6896 case SystemZ::BI__builtin_s390_vpopcth: 6897 case SystemZ::BI__builtin_s390_vpopctf: 6898 case SystemZ::BI__builtin_s390_vpopctg: { 6899 llvm::Type *ResultType = ConvertType(E->getType()); 6900 Value *X = EmitScalarExpr(E->getArg(0)); 6901 Function *F = CGM.getIntrinsic(Intrinsic::ctpop, ResultType); 6902 return Builder.CreateCall(F, X); 6903 } 6904 6905 case SystemZ::BI__builtin_s390_vclzb: 6906 case SystemZ::BI__builtin_s390_vclzh: 6907 case SystemZ::BI__builtin_s390_vclzf: 6908 case SystemZ::BI__builtin_s390_vclzg: { 6909 llvm::Type *ResultType = ConvertType(E->getType()); 6910 Value *X = EmitScalarExpr(E->getArg(0)); 6911 Value *Undef = ConstantInt::get(Builder.getInt1Ty(), false); 6912 Function *F = CGM.getIntrinsic(Intrinsic::ctlz, ResultType); 6913 return Builder.CreateCall(F, {X, Undef}); 6914 } 6915 6916 case SystemZ::BI__builtin_s390_vctzb: 6917 case SystemZ::BI__builtin_s390_vctzh: 6918 case SystemZ::BI__builtin_s390_vctzf: 6919 case SystemZ::BI__builtin_s390_vctzg: { 6920 llvm::Type *ResultType = ConvertType(E->getType()); 6921 Value *X = EmitScalarExpr(E->getArg(0)); 6922 Value *Undef = ConstantInt::get(Builder.getInt1Ty(), false); 6923 Function *F = CGM.getIntrinsic(Intrinsic::cttz, ResultType); 6924 return Builder.CreateCall(F, {X, Undef}); 6925 } 6926 6927 case SystemZ::BI__builtin_s390_vfsqdb: { 6928 llvm::Type *ResultType = ConvertType(E->getType()); 6929 Value *X = EmitScalarExpr(E->getArg(0)); 6930 Function *F = CGM.getIntrinsic(Intrinsic::sqrt, ResultType); 6931 return Builder.CreateCall(F, X); 6932 } 6933 case SystemZ::BI__builtin_s390_vfmadb: { 6934 llvm::Type *ResultType = ConvertType(E->getType()); 6935 Value *X = EmitScalarExpr(E->getArg(0)); 6936 Value *Y = EmitScalarExpr(E->getArg(1)); 6937 Value *Z = EmitScalarExpr(E->getArg(2)); 6938 Function *F = CGM.getIntrinsic(Intrinsic::fma, ResultType); 6939 return Builder.CreateCall(F, {X, Y, Z}); 6940 } 6941 case SystemZ::BI__builtin_s390_vfmsdb: { 6942 llvm::Type *ResultType = ConvertType(E->getType()); 6943 Value *X = EmitScalarExpr(E->getArg(0)); 6944 Value *Y = EmitScalarExpr(E->getArg(1)); 6945 Value *Z = EmitScalarExpr(E->getArg(2)); 6946 Value *Zero = llvm::ConstantFP::getZeroValueForNegation(ResultType); 6947 Function *F = CGM.getIntrinsic(Intrinsic::fma, ResultType); 6948 return Builder.CreateCall(F, {X, Y, Builder.CreateFSub(Zero, Z, "sub")}); 6949 } 6950 case SystemZ::BI__builtin_s390_vflpdb: { 6951 llvm::Type *ResultType = ConvertType(E->getType()); 6952 Value *X = EmitScalarExpr(E->getArg(0)); 6953 Function *F = CGM.getIntrinsic(Intrinsic::fabs, ResultType); 6954 return Builder.CreateCall(F, X); 6955 } 6956 case SystemZ::BI__builtin_s390_vflndb: { 6957 llvm::Type *ResultType = ConvertType(E->getType()); 6958 Value *X = EmitScalarExpr(E->getArg(0)); 6959 Value *Zero = llvm::ConstantFP::getZeroValueForNegation(ResultType); 6960 Function *F = CGM.getIntrinsic(Intrinsic::fabs, ResultType); 6961 return Builder.CreateFSub(Zero, Builder.CreateCall(F, X), "sub"); 6962 } 6963 case SystemZ::BI__builtin_s390_vfidb: { 6964 llvm::Type *ResultType = ConvertType(E->getType()); 6965 Value *X = EmitScalarExpr(E->getArg(0)); 6966 // Constant-fold the M4 and M5 mask arguments. 6967 llvm::APSInt M4, M5; 6968 bool IsConstM4 = E->getArg(1)->isIntegerConstantExpr(M4, getContext()); 6969 bool IsConstM5 = E->getArg(2)->isIntegerConstantExpr(M5, getContext()); 6970 assert(IsConstM4 && IsConstM5 && "Constant arg isn't actually constant?"); 6971 (void)IsConstM4; (void)IsConstM5; 6972 // Check whether this instance of vfidb can be represented via a LLVM 6973 // standard intrinsic. We only support some combinations of M4 and M5. 6974 Intrinsic::ID ID = Intrinsic::not_intrinsic; 6975 switch (M4.getZExtValue()) { 6976 default: break; 6977 case 0: // IEEE-inexact exception allowed 6978 switch (M5.getZExtValue()) { 6979 default: break; 6980 case 0: ID = Intrinsic::rint; break; 6981 } 6982 break; 6983 case 4: // IEEE-inexact exception suppressed 6984 switch (M5.getZExtValue()) { 6985 default: break; 6986 case 0: ID = Intrinsic::nearbyint; break; 6987 case 1: ID = Intrinsic::round; break; 6988 case 5: ID = Intrinsic::trunc; break; 6989 case 6: ID = Intrinsic::ceil; break; 6990 case 7: ID = Intrinsic::floor; break; 6991 } 6992 break; 6993 } 6994 if (ID != Intrinsic::not_intrinsic) { 6995 Function *F = CGM.getIntrinsic(ID, ResultType); 6996 return Builder.CreateCall(F, X); 6997 } 6998 Function *F = CGM.getIntrinsic(Intrinsic::s390_vfidb); 6999 Value *M4Value = llvm::ConstantInt::get(getLLVMContext(), M4); 7000 Value *M5Value = llvm::ConstantInt::get(getLLVMContext(), M5); 7001 return Builder.CreateCall(F, {X, M4Value, M5Value}); 7002 } 7003 7004 // Vector intrisincs that output the post-instruction CC value. 7005 7006 #define INTRINSIC_WITH_CC(NAME) \ 7007 case SystemZ::BI__builtin_##NAME: \ 7008 return EmitSystemZIntrinsicWithCC(*this, Intrinsic::NAME, E) 7009 7010 INTRINSIC_WITH_CC(s390_vpkshs); 7011 INTRINSIC_WITH_CC(s390_vpksfs); 7012 INTRINSIC_WITH_CC(s390_vpksgs); 7013 7014 INTRINSIC_WITH_CC(s390_vpklshs); 7015 INTRINSIC_WITH_CC(s390_vpklsfs); 7016 INTRINSIC_WITH_CC(s390_vpklsgs); 7017 7018 INTRINSIC_WITH_CC(s390_vceqbs); 7019 INTRINSIC_WITH_CC(s390_vceqhs); 7020 INTRINSIC_WITH_CC(s390_vceqfs); 7021 INTRINSIC_WITH_CC(s390_vceqgs); 7022 7023 INTRINSIC_WITH_CC(s390_vchbs); 7024 INTRINSIC_WITH_CC(s390_vchhs); 7025 INTRINSIC_WITH_CC(s390_vchfs); 7026 INTRINSIC_WITH_CC(s390_vchgs); 7027 7028 INTRINSIC_WITH_CC(s390_vchlbs); 7029 INTRINSIC_WITH_CC(s390_vchlhs); 7030 INTRINSIC_WITH_CC(s390_vchlfs); 7031 INTRINSIC_WITH_CC(s390_vchlgs); 7032 7033 INTRINSIC_WITH_CC(s390_vfaebs); 7034 INTRINSIC_WITH_CC(s390_vfaehs); 7035 INTRINSIC_WITH_CC(s390_vfaefs); 7036 7037 INTRINSIC_WITH_CC(s390_vfaezbs); 7038 INTRINSIC_WITH_CC(s390_vfaezhs); 7039 INTRINSIC_WITH_CC(s390_vfaezfs); 7040 7041 INTRINSIC_WITH_CC(s390_vfeebs); 7042 INTRINSIC_WITH_CC(s390_vfeehs); 7043 INTRINSIC_WITH_CC(s390_vfeefs); 7044 7045 INTRINSIC_WITH_CC(s390_vfeezbs); 7046 INTRINSIC_WITH_CC(s390_vfeezhs); 7047 INTRINSIC_WITH_CC(s390_vfeezfs); 7048 7049 INTRINSIC_WITH_CC(s390_vfenebs); 7050 INTRINSIC_WITH_CC(s390_vfenehs); 7051 INTRINSIC_WITH_CC(s390_vfenefs); 7052 7053 INTRINSIC_WITH_CC(s390_vfenezbs); 7054 INTRINSIC_WITH_CC(s390_vfenezhs); 7055 INTRINSIC_WITH_CC(s390_vfenezfs); 7056 7057 INTRINSIC_WITH_CC(s390_vistrbs); 7058 INTRINSIC_WITH_CC(s390_vistrhs); 7059 INTRINSIC_WITH_CC(s390_vistrfs); 7060 7061 INTRINSIC_WITH_CC(s390_vstrcbs); 7062 INTRINSIC_WITH_CC(s390_vstrchs); 7063 INTRINSIC_WITH_CC(s390_vstrcfs); 7064 7065 INTRINSIC_WITH_CC(s390_vstrczbs); 7066 INTRINSIC_WITH_CC(s390_vstrczhs); 7067 INTRINSIC_WITH_CC(s390_vstrczfs); 7068 7069 INTRINSIC_WITH_CC(s390_vfcedbs); 7070 INTRINSIC_WITH_CC(s390_vfchdbs); 7071 INTRINSIC_WITH_CC(s390_vfchedbs); 7072 7073 INTRINSIC_WITH_CC(s390_vftcidb); 7074 7075 #undef INTRINSIC_WITH_CC 7076 7077 default: 7078 return nullptr; 7079 } 7080 } 7081 7082 Value *CodeGenFunction::EmitNVPTXBuiltinExpr(unsigned BuiltinID, 7083 const CallExpr *E) { 7084 switch (BuiltinID) { 7085 case NVPTX::BI__nvvm_atom_add_gen_i: 7086 case NVPTX::BI__nvvm_atom_add_gen_l: 7087 case NVPTX::BI__nvvm_atom_add_gen_ll: 7088 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Add, E); 7089 7090 case NVPTX::BI__nvvm_atom_sub_gen_i: 7091 case NVPTX::BI__nvvm_atom_sub_gen_l: 7092 case NVPTX::BI__nvvm_atom_sub_gen_ll: 7093 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Sub, E); 7094 7095 case NVPTX::BI__nvvm_atom_and_gen_i: 7096 case NVPTX::BI__nvvm_atom_and_gen_l: 7097 case NVPTX::BI__nvvm_atom_and_gen_ll: 7098 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::And, E); 7099 7100 case NVPTX::BI__nvvm_atom_or_gen_i: 7101 case NVPTX::BI__nvvm_atom_or_gen_l: 7102 case NVPTX::BI__nvvm_atom_or_gen_ll: 7103 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Or, E); 7104 7105 case NVPTX::BI__nvvm_atom_xor_gen_i: 7106 case NVPTX::BI__nvvm_atom_xor_gen_l: 7107 case NVPTX::BI__nvvm_atom_xor_gen_ll: 7108 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Xor, E); 7109 7110 case NVPTX::BI__nvvm_atom_xchg_gen_i: 7111 case NVPTX::BI__nvvm_atom_xchg_gen_l: 7112 case NVPTX::BI__nvvm_atom_xchg_gen_ll: 7113 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Xchg, E); 7114 7115 case NVPTX::BI__nvvm_atom_max_gen_i: 7116 case NVPTX::BI__nvvm_atom_max_gen_l: 7117 case NVPTX::BI__nvvm_atom_max_gen_ll: 7118 case NVPTX::BI__nvvm_atom_max_gen_ui: 7119 case NVPTX::BI__nvvm_atom_max_gen_ul: 7120 case NVPTX::BI__nvvm_atom_max_gen_ull: 7121 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Max, E); 7122 7123 case NVPTX::BI__nvvm_atom_min_gen_i: 7124 case NVPTX::BI__nvvm_atom_min_gen_l: 7125 case NVPTX::BI__nvvm_atom_min_gen_ll: 7126 case NVPTX::BI__nvvm_atom_min_gen_ui: 7127 case NVPTX::BI__nvvm_atom_min_gen_ul: 7128 case NVPTX::BI__nvvm_atom_min_gen_ull: 7129 return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Min, E); 7130 7131 case NVPTX::BI__nvvm_atom_cas_gen_i: 7132 case NVPTX::BI__nvvm_atom_cas_gen_l: 7133 case NVPTX::BI__nvvm_atom_cas_gen_ll: 7134 return MakeAtomicCmpXchgValue(*this, E, true); 7135 7136 case NVPTX::BI__nvvm_atom_add_gen_f: { 7137 Value *Ptr = EmitScalarExpr(E->getArg(0)); 7138 Value *Val = EmitScalarExpr(E->getArg(1)); 7139 // atomicrmw only deals with integer arguments so we need to use 7140 // LLVM's nvvm_atomic_load_add_f32 intrinsic for that. 7141 Value *FnALAF32 = 7142 CGM.getIntrinsic(Intrinsic::nvvm_atomic_load_add_f32, Ptr->getType()); 7143 return Builder.CreateCall(FnALAF32, {Ptr, Val}); 7144 } 7145 7146 default: 7147 return nullptr; 7148 } 7149 } 7150